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Bats
 

Bats

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    Bats Bats Presentation Transcript

    • Little Brown Bats By Clement
    • Introduction
      • The little brown bat is sometimes called little brown myotis.
      • One if the most common bats in North America
      • Species of the genus Myotis
      • Found throughout the world
    • Description
      • As it's name suggests, its fur is dark brown and glossy
      • Typical wingspan is 8.7-10.6 inches
      • Ears are small and black
      • All teeth are relatively sharp
      • Adult bats are typically 4.6-5.6 ounces
    • Diet
      • Little brown bats are insectivores, eating moths, wasps and mosquitoes.
      • They ecolocate to find their prey
      • Often they use the same route every night.
      • An adult can sometimes fill their stomachs in 15 minutes!
    • Distribution
      • The little brown bat is found all over North America from northern Mexico to interior Alaska.
      • It is the most abundant bat found in the United States.
    • Life cycle
      • Mating season is in the fall, but fertilization doesn't happen until spring.
      • In the spring little brown bats form huge nursery colonies.
      • The female little brown bat gives birth to only one baby. During birth, the female hangs right-side up!
    • Social Status
      • The nursery colonies can get as big as 1000 bats in a cave /forest
    • Social system
      • The little brown bat is colonial.
      • In the summer, females gather in nursery colonies,
      • While males roost alone or in small isolated colonies.
    • Endangered Status
      • Little brown bats are not considered endangered
      • They also have no conservation status. Little Brown bat endangered
    • Significance to humans
      • These voracious insectivores help control pest insect populations, and also serve as bio-indicators.
    • Hibernation
      • Little brown bats hibernate in September and October, emerging in April - June.
    • Range and habitat
      • The little brown bat's range is a large portion of North America from Alaska to Labrador, south into central Mexico.
    • Communication
      • Chemical signals, produced by during the breeding season, play a primary role in the communication of the little brown bats.
      • Tactile signals synchronize mating.