Hospital Bird Management in Auburn, Alabama. WD Pigeon Solutions provides professional hospital bird management services for Auburn property owners, including multi-species effectiveness, commercial-grade deterrents, virtually invisible systems. Contact us for a free inspection in Auburn, Alabama.
Hospital Bird Management in Auburn, Alabama
Sterile-environment bird management for hospitals and healthcare facilities meeting strict infection control and Joint Commission standards — trusted by Auburn property owners for lasting, humane results.

Last updated: January 5, 2026 · Reviewed by WD Pigeon Solutions pest control specialists
Why Auburn Property Owners Need Professional Hospital Bird Management
We tailor our Hospital Bird Management in Auburn to each property's unique challenges, whether pigeons are nesting on factory roof trusses and I-beams or congregating near exhaust fan housings.
The combination of scrap metal processing yards, manufacturing plants, and nearby worker lunch area scraps makes Auburn particularly hospitable to growing pigeon colonies.
In Auburn, pigeon-contaminated HVAC intakes can distribute fungal spores throughout entire buildings, increasing the risk of respiratory infections among employees and residents.
We serve Auburn with fully insured crews, documented installation procedures, and materials sourced from leading bird-control manufacturers.
Structural inspections of manufacturing warehouses and grain storage operations frequently reveal accelerated concrete spalling and steel corrosion in areas with heavy pigeon roosting.
Characterized by its industrial microclimate with year-round machinery warmth, Auburn sees the highest pigeon breeding pressure during year-round, when nesting accelerates rapidly.
To keep pigeons from returning to Auburn properties, combine sanitation improvements with structural exclusion—blocking gaps, capping vents, and fitting spike strips.
Schedule your free Auburn pigeon inspection with WD Pigeon Solutions and discover how our integrated approach eliminates infestations at the source.

Where We Install Hospital Bird Management in Auburn
Our Auburn team has installed hospital bird solutions across all property types throughout Alabama.
High-Priority Hospital Bird Management Locations in Auburn
These Auburn property types see the most urgent demand for professional hospital bird.
Auburn Grain storage operations
Hospital Bird is increasingly requested for grain storage operations in Auburn, particularly to protect cooling tower structures and reduce contamination caused by loading area product spillage.
Auburn Power generation stations
Power generation stations in Auburn combine sheltered exhaust fan housings with nearby spilled grain at processing plants, creating ideal conditions for persistent pigeon colonies that hospital bird can address.
Auburn Manufacturing warehouses
Pigeon activity around manufacturing warehouses in Auburn frequently targets conveyor belt housings, with standing water in industrial yards sustaining flocks that cause droppings, nesting debris, and health concerns.
Auburn Manufacturing plants
Manufacturing plants face recurring pigeon pressure in Auburn. Colonies establish around rail car loading platforms and are sustained by open-bay truck loading zones, making professional hospital bird essential for long-term protection.
Auburn Rail logistics terminals
Rail logistics terminals in Auburn are prime candidates for hospital bird due to heavy pigeon pressure around cooling tower structures. Nearby loading area product spillage draw flocks that quickly establish colonies.
Auburn Grain elevators and silos
Hospital Bird is increasingly requested for grain elevators and silos in Auburn, particularly to protect exhaust fan housings and reduce contamination caused by spilled grain at processing plants.
Our Hospital Bird Management Process in Auburn
Step 1: Free Auburn Property Assessment
Our Auburn technician visits your property at no charge to evaluate pigeon activity around commercial laundry plants and scrap metal processing yards. We identify every active roosting site, nesting access point in crane boom bases, and assess the scope of contamination to determine the most effective hospital bird approach.
Step 2: Precision Hospital Bird Management Design
Your Auburn treatment plan maps every affected surface — conveyor belt housings on manufacturing plants, ledges on commercial laundry plants, and secondary roost points around fleet vehicle maintenance depots. The plan includes material specifications, coverage diagrams, and a transparent cost breakdown.
Step 3: Professional Installation
Our licensed installers complete the hospital bird work efficiently with minimal disruption to your Auburn operations. We use commercial-grade materials designed for Auburn's industrial microclimate with year-round machinery warmth, ensuring your investment performs for years.
Step 4: Comprehensive Post-Install Review
Our team inspects every treatment point — scrap metal processing yards, factory roof trusses and I-beams, and all secondary sites — to confirm complete coverage. The written report we provide includes before-and-after documentation that supports insurance filings and property management records.
Step 5: Long-Term Protection Commitment
Your Auburn hospital bird investment is protected by our performance guarantee. Given the industrial microclimate with year-round machinery warmth and year-round pigeon pressure, our warranty ensures that any treated commercial laundry plants or conveyor belt housings remains pigeon-free or we return to correct it.
Why Auburn Chooses WD Pigeon Solutions for Hospital Bird Management
Not all hospital bird providers in Auburn are equal. Our team is trained specifically for the pigeon pressures created by loading area product spillage and rainwater pooling in equipment yards common in this area, and we design every installation around what we've learned on the ground.
- Materials suited to Auburn's industrial microclimate with year-round machinery warmth — products that won't degrade prematurely in local weather
- Auburn-specific expertise — we know which commercial laundry plants and scrap metal processing yards need the most aggressive treatment
- Commercial-grade products only — we never use consumer-grade hardware-store deterrents that fail within months
- Detailed written quotes — transparent pricing with no surprise charges
- Post-installation monitoring — we follow up to verify that hospital bird is performing as expected around fleet vehicle maintenance depots and other treated areas
- Fully insured with general liability and worker's compensation coverage
Our Auburn clients stay with us because we deliver what we promise. Every hospital bird installation is backed by results, not just rhetoric — and our growing list of satisfied cold storage warehouses and food processing facilities owners proves it.
What Our Customers Say
Trusted by thousands of homeowners and businesses
“We own a warehouse and the pigeon situation was creating serious OSHA concerns. The team installed a comprehensive netting system across our 50,000 sq ft ceiling. The installation crew was professional and finished ahead of schedule.”
Michael O'Brien
Denver, CO · Warehouse Bird Control
“We had pigeons nesting under every solar panel on our roof. WD Pigeon Solutions installed mesh guards around all 24 panels and cleaned up years of droppings. Our solar output increased by 15% after the cleanup. Worth every penny.”
James Mitchell
Phoenix, AZ · Solar Panel Pigeon Protection
“As a property manager for 12 commercial buildings, I've tried every pigeon control company in the area. WD Pigeon Solutions is the only one that delivers lasting results. They now handle all our properties and the tenants couldn't be happier.”
Daniel Jackson
Charlotte, NC · Commercial Bird Exclusion
“We needed our loading dock cleared of pigeons before a major FDA inspection. WD Pigeon Solutions responded within 24 hours, removed all nests, cleaned and sanitized the entire dock area, and installed deterrents. We passed the inspection.”
Steven Barnes
Dallas, TX · Loading Dock Bird Control
“I called about pigeons in my attic and they came out the same day. They removed over 30 nests, sanitized everything, and sealed every entry point. It's been six months and not a single pigeon has gotten back in. Incredible service.”
Maria Gonzalez
Houston, TX · Attic Pigeon Removal
“Our wedding venue was losing bookings because of pigeons roosting on the ceremony pergola. The deterrent gel they applied is completely invisible but pigeons won't land on it. We've had four pigeon-free weddings since the treatment.”
Laura Scott
Tampa, FL · Pigeon Deterrent Gel
“The pigeon problem at our apartment complex was out of control. Droppings everywhere, nests in every corner. The team installed bird netting and spikes across the entire building. Haven't seen a single pigeon in three months.”
Sarah Thompson
Las Vegas, NV · Bird Netting Installation
“I was skeptical about the pigeon birth control program, but the results speak for themselves. Our building's pigeon population has dropped by over 80% in eight months. It's the most humane and effective long-term solution I've seen.”
Amanda Nguyen
San Francisco, CA · Pigeon Birth Control (OvoControl)
“Pigeons had completely taken over our church steeple. The droppings were damaging our 100-year-old stonework. WD Pigeon Solutions used methods that protected the historic architecture while completely eliminating the pigeon colony. Truly expert work.”
Karen Phillips
Atlanta, GA · Church Steeple Protection
“Our parking garage had a massive pigeon problem. Cars were getting damaged, tenants were threatening to leave. The electric track deterrent system they installed on every level was the only thing that worked. Zero pigeons now.”
Brian Foster
New York City, NY · Parking Garage Bird Control
“The balcony of our condo was unusable because of pigeons. They installed a custom netting system that's barely visible and matches our building's aesthetic. We can finally enjoy our outdoor space again. Thank you!”
Rachel Kim
Portland, OR · Balcony Pigeon Proofing
“The seasonal prevention program has been a game-changer for our property management company. WD Pigeon Solutions comes out quarterly, inspects all our properties, and addresses any issues before they become infestations. Proactive and reliable.”
Jason Patel
Henderson, NV · Seasonal Pigeon Prevention
“Pigeons were destroying our hotel's pool area. Guests complained constantly about droppings on lounge chairs and in the water. The deterrent system they installed is invisible to guests but 100% effective. Our reviews have improved dramatically.”
Jennifer Williams
Miami, FL · Hotel Bird Management
“Our school district hired WD Pigeon Solutions to address pigeon problems at three campuses. They handled everything—assessment, removal, cleanup, and prevention—across all locations. The kids and teachers are much happier without pigeons on the playground.”
William Turner
Nashville, TN · School & Campus Bird Control
“Our rooftop AC units were full of pigeon nests and the smell coming through the vents was terrible. WD Pigeon Solutions cleaned everything out, installed screening around all units, and the air quality improved immediately. Life-changing.”
Emily Watson
San Diego, CA · AC Unit Protection
“Running a daycare with pigeons on the playground was a constant worry. WD Pigeon Solutions installed deterrents around the entire outdoor play area. The parents are relieved and the kids can play without pigeon droppings everywhere.”
Jessica Rivera
Orlando, FL · Pigeon Feces Disease Prevention
“Managing a 40-story office building with a pigeon problem is a nightmare. WD Pigeon Solutions brought in rope-access technicians who installed bird spikes on every ledge. The building looks clean for the first time in years. Our tenants are thrilled.”
David Park
Chicago, IL · Bird Spikes Installation
“The gutter guards they installed are fantastic. Pigeons were constantly nesting in our gutters, causing water damage to our foundation. Now the gutters flow freely and there's no place for pigeons to nest. Should have done this years ago.”
Christopher Lee
Philadelphia, PA · Gutter Guard Installation
“We run a food processing plant and a pigeon infestation nearly shut us down. WD Pigeon Solutions mobilized a team the next morning. They cleared the facility, sealed every opening, and set up a monitoring program. We haven't had an issue since.”
Nicole Davis
Minneapolis, MN · Industrial Pigeon Control
“The pigeon wire installation on our office building's ledges is invisible from the ground but incredibly effective. No more pigeons, no more droppings on the sidewalk below, no more complaints from visitors. Professional installation from start to finish.”
Megan Taylor
Raleigh, NC · Pigeon Wire Installation
“We had an emergency situation with pigeons getting into our medical clinic through a damaged vent. WD Pigeon Solutions arrived within hours, safely removed the birds, sanitized the area, and installed proper vent screens. Fast and professional.”
Samantha White
Columbus, OH · Emergency Pigeon Removal
“Third solar panel company told us we needed pigeon protection or they wouldn't honor the warranty. WD Pigeon Solutions installed critter guards on all 32 panels in one day. Clean work, fair price, and our warranty stays intact.”
Ryan Cooper
Scottsdale, AZ · Solar Panel Pigeon Protection
“After three different companies failed to solve our pigeon problem, WD Pigeon Solutions got it done right. They did a thorough assessment, identified entry points we didn't even know existed, and sealed everything. Problem solved permanently.”
Lisa Anderson
Seattle, WA · Structural Exclusion
“Our downtown restaurant was losing customers because of pigeons on the patio. WD Pigeon Solutions installed a nearly invisible netting system over our outdoor dining area. Customers love it and we passed our health inspection with flying colors.”
Robert Chen
Los Angeles, CA · Restaurant Pigeon Solutions
“We manage a grain storage facility and pigeons were consuming and contaminating tons of product annually. WD Pigeon Solutions designed a complete exclusion system for our silos and storage buildings. The contamination losses have dropped to zero.”
Kevin Morris
Detroit, MI · Agricultural Bird Control
“Pigeons were getting into our retail store through gaps in the roof every time the loading door opened. The strip curtain and exclusion system they installed solved both the pigeon and the temperature control problem. Highly recommend.”
Stephanie Clark
San Jose, CA · Retail Store Bird Solutions
“We tried every DIY pigeon solution on the market before calling WD Pigeon Solutions. Fake owls, shiny tape, sound machines—nothing worked. Their professional exclusion system solved the problem in one visit. Don't waste time with DIY. Call the pros.”
Heather Brown
Austin, TX · Residential Pigeon Control
“Our historic downtown building was being destroyed by pigeon droppings. The team used heritage-sensitive methods that don't damage the original architecture. The building looks beautiful again and the pigeons are gone. Excellent attention to detail.”
Andrew Campbell
Salt Lake City, UT · Historical Building Protection
“The property damage assessment they provided was incredibly detailed. We used it to file an insurance claim for the pigeon damage to our roof and HVAC system. The claim was approved and covered most of the repair and prevention costs.”
Gregory Adams
Indianapolis, IN · Property Damage Assessment
“The bird spikes on our commercial building were long overdue. The installation team worked over a weekend to minimize disruption to our business. Clean, professional work and the pigeons are completely gone from our ledges.”
Thomas Rodriguez
San Antonio, TX · Bird Spikes Installation
“I had pigeons nesting in my chimney and could hear them cooing all night. The team installed a heavy-duty chimney cap and removed all the nesting material. No more noise, no more mess. Quick and affordable service.”
Patricia Martinez
Tucson, AZ · Chimney Cap Installation
“The dropping cleanup alone was worth calling them. They power-washed our entire building facade, treated everything with antimicrobial solution, and then installed spikes and wire to prevent the pigeons from returning. Building looks brand new.”
Mark Sullivan
Boston, MA · Dropping Cleanup & Sanitization
Common Pigeon Problems in Auburn That Require Hospital Bird Management
Auburn's rail yard maintenance buildings are especially vulnerable to pigeon colonization because of proximity to standing water in industrial yards and cafeteria waste from worker dining halls.
In Auburn, pigeon guano accelerates rust formation on steel structures and stains porous materials like brick and sandstone beyond the point of simple cleaning.
Beyond structural damage, pigeon infestations in Auburn raise public health concerns: dried droppings become airborne and can transmit fungal and bacterial infections to building occupants.
A pigeon flock that regularly exceeds a dozen birds on a Auburn rooftop is typically part of a larger colony, and the population will continue to grow without professional intervention.
Structural inspections of chemical and energy plants and rail logistics terminals frequently reveal accelerated concrete spalling and steel corrosion in areas with heavy pigeon roosting.
During year-round, Auburn's industrial microclimate with year-round machinery warmth drives pigeons to seek sheltered rooftops and building cavities where warmth and food are nearby.

When to Schedule Hospital Bird Management in Auburn
Timing your hospital bird work with Auburn's seasonal pigeon patterns maximizes effectiveness.
Spring (Mar–May)
60–85°FNesting intensifies. Abundant warm-weather food sources fuel rapid population growth across the region.
Recommendation
Act early. Spring exclusion prevents summer population explosions.
Summer (Jun–Aug)
80–100°FContinuous breeding in hot, humid conditions. Pigeons seek shade under carports, awnings, and covered structures.
Recommendation
Check covered areas and carports frequently. Droppings accelerate mold growth.
Fall (Sep–Nov)
60–85°FPopulations remain large. Tropical weather events may displace flocks to new buildings.
Recommendation
Post-storm inspections are critical to catch displaced pigeons early.
Winter (Dec–Feb)
40–65°FMild winters allow nearly uninterrupted breeding. Colonies maintain size through the cool season.
Recommendation
Year-round monitoring is essential. Do not assume winter will reduce populations.
Auburn Weather and Hospital Bird Management Timing
How Auburn's seasonal climate affects pigeon behavior and optimal hospital bird scheduling.
| Season | Avg High | Avg Low | Precipitation | Pigeon Impact |
|---|---|---|---|---|
| Spring | 81°F | 58°F | 3.7 in/mo | Breeding accelerates with warming temps |
| Summer | 95°F | 74°F | 5.2 in/mo | Continuous breeding; shade-seeking behavior (peak activity: year-round) |
| Fall | 79°F | 57°F | 3.2 in/mo | Populations remain high; storm displacement |
| Winter | 61°F | 40°F | 3.5 in/mo | Mild enough for year-round breeding |
Hospital Bird Management Facts Every Auburn Property Owner Should Know
Hospital Bird Management Facts for Auburn Property Owners
- Properties with visible pigeon activity often experience reduced appeal and higher maintenance costs, making proactive hospital bird a protection measure for cold storage warehouses owners
- Dried pigeon droppings become airborne particulate matter that can transmit histoplasmosis, cryptococcosis, and psittacosis — a particular concern for fleet vehicle maintenance depots in Auburn
- Pigeon nesting debris near electrical equipment and in exhaust fan housings represents a fire hazard that proper hospital bird eliminates
- Pigeon droppings are acidic (pH 3.5–4.5) and corrode metal, concrete, stonework, and painted surfaces on water treatment facilities and commercial laundry plants over time, leading to costly repairs
- A nesting pair of pigeons can produce 6–8 eggs per year, with chicks reaching reproductive maturity in approximately 6 months — making early hospital bird intervention on manufacturing plants far more cost-effective than delayed action
- Hospital Bird Management on cooling tower structures and crane boom bases prevents the buildup that leads to expensive emergency remediation later
- Pigeons are creatures of habit — they return to the same factory roof trusses and I-beams and cooling tower structures generation after generation unless physically excluded, which is why hospital bird outperforms temporary scare tactics
- The average property owner waits months before addressing a pigeon problem — by which time populations have grown and structural damage to scrap metal processing yards has begun
Our Services
Professional pigeon and bird control solutions tailored to your property and needs.

Bird Control
Comprehensive bird deterrent solutions including spikes, netting, and exclusion systems. Protect your property from all pest bird species with lasting results.
Learn More
Pigeon Control
Complete pigeon removal and population management for residential and commercial properties. We use humane, proven methods to eliminate pigeon problems for good.
Learn More
Pigeon Netting
Heavy-duty pigeon netting systems for courtyards, loading docks, canopies, and large openings. UV-stabilized mesh keeps birds out while maintaining aesthetics.
Learn MoreHospital Bird Management in Auburn — Expert Pigeon Control
Watch how WD Pigeon Solutions delivers professional hospital bird for Auburn, Alabama property owners.

Free Pigeon Control Tools
Use our interactive tools to assess your pigeon problem and find the right solution.
Infestation Severity Assessment
Answer a series of questions about your pigeon problem to determine the severity level and get recommended next steps for treatment.
Use ToolProperty Risk Evaluator
Evaluate your property's vulnerability to pigeon infestation based on building type, location, nearby food sources, and structural features.
Use ToolROI Calculator for Pigeon Prevention
Calculate the return on investment for pigeon prevention measures by comparing upfront costs against ongoing damage and cleanup expenses.
Use ToolWarranty Coverage Checker
Check if your existing pigeon control installation is still under warranty and learn about coverage terms and claim procedures.
Use ToolPigeon Species Identifier
Upload a photo or describe the bird you've spotted to identify the species and learn about its behavior, nesting habits, and control methods.
Use ToolFree Quote Request Tool
Submit your property details and pigeon problem description to receive a free, no-obligation quote from our expert team within 24 hours.
Use ToolDid You Know?
Fascinating pigeon facts that might surprise you.
Pigeons have been domesticated for over 5,000 years — they were the first bird humans ever domesticated.
Pigeons can find their way home from over 1,300 miles away — they were used as message carriers in both World Wars.
Pigeons mate for life and can breed up to 8 times per year, producing 2 eggs each time.
Feral pigeon populations can double in just 2 months under ideal conditions.
Pigeon droppings carry over 60 transmittable diseases, including histoplasmosis and cryptococcosis.
Pigeon droppings are highly acidic (pH 3-4.5) and can eat through car paint, concrete, and roofing materials.
Hospital Bird Management FAQ — Auburn, Alabama
Find answers to common questions about our pigeon control services.
Hospital Bird Management Near Auburn
We also provide hospital bird services throughout Alabama.
How It Works
Getting pigeon-free is easy. Just three simple steps.
Contact Us
Call us, fill out our form, or chat online. Describe your pigeon problem and we'll listen carefully.
Get Free Quote
We'll assess your situation and provide a detailed, no-obligation quote — completely free.
Schedule Service
Pick a time that works for you. Our licensed professionals will handle the rest — guaranteed.
Common Pigeon Infestations
Identify your pigeon problem and learn about effective solutions.
CriticalSolar Panel Infestations
Pigeons nest under solar panels for warmth and shelter, damaging wiring, reducing energy output by up to 30%, and voiding manufacturer warranties.
Learn More
HighRoof & Attic Nesting
Pigeons nesting in roof gaps, attic vents, and under eaves cause structural damage, blocked drainage, and health hazards from accumulated droppings and nesting materials.
Learn More
HighHVAC & Ductwork Nesting
Pigeons nesting near HVAC systems spread diseases through ventilation, clog filters, and cause expensive equipment failures and indoor air quality problems.
Learn More
MediumParking Garage Roosting
Pigeons in parking structures damage vehicles with acidic droppings, create liability issues from slippery surfaces, and drive away customers and tenants.
Learn MoreHospital Bird Management Resources for Auburn
Everything you need to make an informed decision about hospital bird in Auburn, Alabama.
All Auburn Pigeon Control
Complete pigeon management services in Auburn, AL.
Hospital Bird Management Overview
Learn everything about our professional hospital bird management solutions.
All Alabama Services
Browse all pigeon control service locations in Alabama.
Free Pigeon Control Tools
Use our interactive calculators and cost estimators.
Pigeon Prevention Guide
Expert tips for keeping pigeons away permanently.
Customer Reviews
Read what property owners across the US say about our work.
Hospital Bird Management in Bessemer
Professional hospital bird services in Bessemer, Alabama.
Hospital Bird Management in Athens
Professional hospital bird services in Athens, Alabama.
Hospital Bird Management in Alabaster
Professional hospital bird services in Alabaster, Alabama.
DIY vs. Professional Pigeon Control in Auburnhospital-bird-management
| DIY Method | Effectiveness | Limitation |
|---|---|---|
| Homemade spice or vinegar sprays | Very short-term deterrent | Washes away with rain and requires constant reapplication |
| Water sprinklers or motion sprays | Some short-term deterrence | Not practical for rooftops or upper ledges; water waste and maintenance cost |
| Ultrasonic devices | Minimal proven effectiveness | Most peer-reviewed studies show negligible impact on pigeon behavior |
| Visual deterrents (fake owls, reflective tape) | Temporarily effective for 1-2 weeks | Pigeons quickly habituate and ignore them |
| Sealing individual entry points | Effective for specific openings | Pigeons find alternative entry points without comprehensive exclusion |
Why Hire a Professional?
- Comprehensive property assessment identifies all roosting and nesting sites
- Follow-up monitoring ensures pigeons do not relocate to other parts of your property
- Knowledge of local regulations regarding bird control methods
- Safe handling and cleanup of droppings containing potentially harmful pathogens
- Licensed and insured protection for your Auburnhospital-bird-management property
- Commercial-grade deterrent products last years, not weeks
Pigeon Control Cost Guide for Auburnhospital-bird-management
Every property is different. The figures above are general ranges — your actual investment depends on building layout, flock size, and access difficulty. Request a free on-site assessment for an accurate estimate.
| Service | Pricing | Key Factors |
|---|---|---|
| Bird spike installation | Varies by linear footage | Material type (plastic vs. stainless steel), height and accessibility of installation area |
| Ledge modification and slope panels | Varies by linear footage | Material (metal vs. PVC), angle of slope, number of ledges treated |
| Solar panel protection | Varies by system size | Number of panels, roof type, critter guard material |
| Dropping cleanup and sanitization | Varies by area and accumulation | Square footage, depth of accumulation, accessibility, disposal requirements |
| Bird netting installation | Varies by square footage | Net material, area coverage, mounting hardware requirements |
| Electric shock track installation | Varies by linear footage | Track length, number of rows, voltage system, height of installation |
| Initial inspection and assessment | Usually free | Most professional companies offer complimentary inspections |
Other Pigeon Control Services in Auburn
Explore additional pigeon control services we offer in Auburn, Alabama:
WD Pigeon Solutions Pest Control Team
This content was reviewed by our licensed pest control specialists with over 15 years of combined experience in humane pigeon management. Our team holds certifications from the National Pest Management Association (NPMA) and follows Integrated Pest Management (IPM) protocols.
Ready for Professional Hospital Bird Management in Auburn?
Get your free, no-obligation quote from Auburn's trusted pigeon control experts.