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Houston Zoo Staff are Saving Bats in Texas

With Halloween just a few days away there’s no better time to spend a few minutes learning a bit more about one of Halloween’s most recognizable symbols – the bat. This time of year we see their image plastered everywhere, but did you know these guys actually live in your backyard? It’s no secret that everything is bigger in Texas, and yes, that means even our bat diversity. In fact, Texas has the largest number of bat species in the country with a total of 33 recorded to date! As a creature of the night, the bat has often been associated with things that scare or strike fear into the hearts and minds of humans, like vampires, rabies, abandoned houses, and our beloved Halloween. Despite their somewhat frightful reputation, bats are actually one of our greatest allies acting as pollinators, seed dispersers, and even one of the primary consumers of flying insects like our honorary state bird – the mosquito! The Houston Zoo loves bats and wants to do everything we can to protect them in the wild. Recently, we were asked to assist with collecting valuable data that would inform future protection plans for Texas bats.

Waugh Drive Bridge Bat Conservation Project

Over the last two years, Zoo staff have been using acoustic monitoring devices to record the calls of bats we have here on Zoo grounds. Following guidance from Bat Conservation International and Lincoln Park Zoo, the sound monitors are placed at a specific location, left to record for four nights, and then taken down.  All of the audio files that the monitors record are saved onto a SD card that can later be removed from the device and transferred to a computer where staff runs the recordings through a software called SonoBat.  This software analyzes the calls and helps staff to identify which bat species made an appearance on Zoo grounds each evening the recording device was running!

Waugh Drive Bridge Bat Conservation Project

So far, five different species have been heard on zoo grounds:

  • Mexican Free-tail bat
  • Eastern red bat
  • Silver-haired bat
  • Northern yellow bat
  • Hoary bat

Collecting this data will inform researchers of which bats are living here in Houston, when they are active, and where they like to spend their time! Learning more about bats and the important role they play will help us to develop programs aimed at changing the public perception of bats and hopefully lead to the protection of many bat species and their habitats. Each time you visit the Zoo, you are helping to save species in the wild – by supporting programs like this one, you’ve just lent a helping hand to a species living right in your own backyard!

Zoo staff and Zoo crew installing bat monitoring devices
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