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Mexican Free-Tailed Bat

Mexican Free-Tailed Bat

The Mexican free-tailed bat was made the State Flying Mammal of Texas in 1995, partially because the importance of bats in a healthy ecosystem is being appreciated.

  • General Information
    1. In what habitats would you expect to find Mexican free-tailed bats?
      • It is not easy to get this information from collection records, but you can see the different types of habitats that occur in the Concho Valley. For more information, visit the ASNHC Mammal Database.
    2. In what other states do Mexican free-tailed bats live?
      • VertNet is an online database with information from many collections, such as the ASNHC. You can go to the website and search for Tadarida brasiliensis. Then select the map option.
  • Questions
    1. How many Mexican free-tailed bats are stored in our collection?
    2. Where in Texas were our specimens of Mexican free-tailed bats found?
    3. Which seasons are Mexican free-tailed bats usually seen?
    4. When were the oldest specimens caught?
    5. Where were the oldest specimens caught?

    For answers, use the ASNHC Collection of Mammalogy Searchable Database.

    Preserved Bat Tadarida brasiliensis specimen image gallery and questions

    1. Can you tell where it was found?
    2. Who collected it?
    3. Who prepared the specimen?
    4. On what date it was collected?
    5. Which sex is it?
    6. What is an ASK number?
      • The ASK number is a separate number used for any tissue samples we have. This may be a piece of wing or muscle, or possibly a blood sample.
    7. What are all of those numbers in the bottom left corner?
      • Total length, in millimeters
      • Tail length, in millimeters
      • Foot length, in millimeters
      • Ear length, in millimeters
      • Forearm length, in millimeters
      • Weight, in grams

    For answers, use the ASNHC Collection of Mammalogy Searchable Database to find this specimen. 

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