Waukesha County

Due to COVID-19, Waukesha County's in-person services may be limited or altered. Click here for hours and updates

Working with our communities to promote environmental stewardship, provide research and educational opportunities, and create healthier natural areas throughout Waukesha County.


Check out our programs and projects

Wetland monitoring, reptile conservation, bird conservation, wildlife nest box monitoring, mammal monitoring, invertebrate monitoring

Habitat restoration workdays, rare plant conservation, photo point monitoring

Mammal Monitoring Program

From otters to meadow voles, help our staff document what mammal species call the parks and greenways home. You can join our trained staff for small mammal live trapping or help contribute data by monitoring a wildlife camera site on your own! 

Questions? Contact our Conservation Biologist at parks@waukeshacounty.gov.

UPCOMING PROGRAMS 

*Please note that many programs have been canceled or postponed due to the COVID-19 pandemic 

Program Date Time Location Description Registration
Bat Monitoring Workshop June 5, 2020 CANCELED Retzer Nature Center Learn about the ecology of Wisconsin bats and how to help monitor their populations. Did you know that a little brown bat can consume up to 1,000 mosquitos in an hour? Bats play an important role in our ecosystem and unfortunately their populations are in steep decline nationwide. Join our staff on surveys to determine baseline bat population dynamics using high-tech detectors that identify bats by recording their ultrasonic calls! --
Small Mammal Survey June 17, 2020 8:00 - 9:00 a.m. Retzer Nature Center

Help our staff conduct small mammal surveys using Sherman live traps! Recommended for ages 5+.

Register Online
Bats and Brews (Bat Survey) June 18, 2020 8:00 - 9:00 p.m. Mukwonago Park

Help our staff conduct bat surveys using high-tech detectors that identify bats by recording their ultrasonic calls during one of our Pop-Up Beer Gardens this summer! Recommended for ages 5+. 

Register Online
Bats and Brews (Bat Survey) June 25, 2020 8:00 - 9:00 p.m. Fox Brook Park

Help our staff conduct bat surveys using high-tech detectors that identify bats by recording their ultrasonic calls during one of our Pop-Up Beer Gardens this summer! ! Recommended for ages 5+.

Register Online
Small Mammal Survey July 1, 2020 8:00 - 9:00 a.m. Retzer Nature Center

Help our staff conduct small mammal surveys using Sherman live traps! Recommended for ages 5+.

Register Online
Bat Survey July 2, 2020 8:00 - 9:00 p.m. Retzer Nature Center

Help our staff conduct bat surveys using high-tech detectors that identify bats by recording their ultrasonic calls! Recommended for ages 5+.

Register Online
Bats and Brews (Bat Survey) July 10, 2020 8:00 - 9:00 p.m. Fox Brook Park

Help our staff conduct bat surveys using high-tech detectors that identify bats by recording their ultrasonic calls during one of our Pop-Up Beer Gardens this summer! Recommended for ages 5+.

Register Online
Small Mammal Survey August 12, 2020 8:00 - 9:00 a.m. Retzer Nature Center

Help our staff conduct small mammal surveys using Sherman live traps! Recommended for ages 5+.

Register Online
Mammal Monitoring Workshop October 10, 2020 9:00 a.m. - 12:00 p.m. Retzer Nature Center

From bobcats, gray fox, flying squirrels, to bats, Waukesha County is home to a variety of mammal species! Join us to learn more about the identification and ecology of Wisconsin’s mammals. You can also help contribute mammal data by monitoring a wildlife trail camera site on your own! Recommended for ages 13+.

More information coming in August. Questions? Contact our Conservation Biologist at parks@waukeshacounty.gov.