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What Can We Do to conserve bat habitat?
What are the dangers to bat population?
Map shows US-area where
Mexican free-tailed bats =
Brazilian free-tailed bats have been watched.
Also live in the warmer parts of the Americas
Populations have declined:
Decrease in habitat + damage to roosts + Consumption of pesticides
Mexican free-tailed bat Latin Tadarida brasiliensis = Brazilian free-tailed bat is native to the Americas.|
Fossils show that bats have lived for over 50 million years on Earth. About 950 varieties are counted.
Bats are very important in the balance of Nature. They are good pollinators, and they eat a lot of insects - giving many plants a chance to thrive.
Many people are asking:
"What will be my future when there is no bat left?"
Facts about the Brazilian free-tailed bat
Size: ~80 to 100 mm = ~3 to 4 inches
Tail about half the size of the bat
Weight: 6 to 13 gram
Wingspan up to 30 cm = 12 inches
How old: 8 - 12 years
Offspring: Only one bat baby a year
Social animals that living in large colonies
The face of a Mexican free-tailed bat
Not pretty in our eyes, but Bats are mammals as we are!
once a year they give birth to a tiny little bat baby
Look how small Tadarida Brasiliensis is
A really small flying mammal!
Small with big ears to hear every sound!
Bats use echolocation! They send out a high pitch sound
The sound is reflected by an object and in the brain of the bat an image forms. These image shows the bat what is in front of it:
A tree trunk or something to eat ...
So bats fly around at night, sometimes over 40 miles and eat mainly insects
That's how we can see them - In flight they look quite impressive!
At dawn the bats fly out of their caves and start to look for food:|
Mainly moths, beetles, dragonflies, flies, true bugs, wasps, bees, ants
Brazilian free-tailed bats eat large numbers of insects nightly,
helping to reduce agricultural pests or disease carrying bugs.
There is a very positive economic impact on agriculture, and gardening.
Hawks and owls are hunting for bats.
Texas has with the Bracken Cave the largest bat colony with over 20 mill. Mexican free-tailed bats, located close to San Antonio
Bats have to fly ~1,000 miles from Mexico to this cave,
arriving there mid of February.
A female bat has just one baby a year, giving birth around June.
Babies are called pups, weigh nearly a quarter of their mother's weight.
At dawn Mexican free-tailed bats dipping into the pond of Bear Springs Blossom Nature Preserve
Bats need water as all mammals do
At our BSB Nature Preserve Mexican free-tailed bats have to navigate well with their echolocation system
to fly around our native Texas "cedar" = juniperus trees around our oak and cherry trees!
Want to understand Nature better? Want to know more?
We all play a part in the conservation of bat habitats.|
The more we know the better we understand the problems of declining bat populations. Share your knowledge with others and encourage them to become involved.
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Author Peter Bonenberger
Bear Springs Blossom Nature Conservation
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Peter Bonenberger president
Marianne Bonenberger director of education
BSBNCG POB 63295 Pipe Creek 78063 TX USA
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