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Shared Characteristics
Location found & habitat specific information
-normally found in Mexico
-ranges throughout Central America and northern south America even in southern southern Texas, New Mexico, Arizona, and California
- live in desert, montane, riparian, to pinyon-ju-niper habitats
https://users.humboldt.edu/joe/image-46.htm
Behavioral characteristics
-nocturnal
-found in groups of several or singly alone
-migrate
-social
-live close together
Physical characteristics
(internal & external)
-medium sized
-have long leaf sized nose
-tongue extends 1/3 of its body
-gray/brown colored fur
-big eyes
-contains 30 teeth
Location found & habitat specific information
-found in forest it desert conditions
-appears more in open areas of slack water
- lives in rocky hillsides, rocky outcrops, buildings, trees with exfoliating bark, and cavities in snags
-hibernate in mines and caves
-can be found seaside as well
http://oregonconservationstrategy.com/strategy-species/california-myotis/
Physical characteristics
(internal & external)
-fur is brownish chestnut and tends to have a yellowish cast
-skull is not flattened
-rounded ears
-the inner ear is only ¼ the size of the pointed ear itself
-cartilage is turned over to the side of the foot
-one of the smallest bats
Behavioral characteristics
-roost alone or in small groups when its warmer
- nocturnal
-hunt after sunset until dawn
Location found & habitat specific information
-rugged and rocky terrain
-travels seasonally from Mexico to the southwestern United States (Texas, Arizona, California, Nevada, Colorado)
-prefer rocky cliffs
-roosting in buildings and in terrestrial plants including ponderosa pines, douglas firs, and desert shrubs
Diet (all bats)
Insects
Fruit
Nectar
Small mammals
Fish
Range
Cna be found anywhere besides polar regions an extreme desert conditions
Mostly found in North America
Behavior
Involved with a high sense of hearing
find shelter in caves, crevices, tree cavities and buildings
During the winter season they migrate or go into hibernation
Reproduction
Slowest reproducing mammal
Weighing about 25% of the mother's body weight
Usually only gives birth to one pup
http://www.emnrd.state.nm.us/MMD/AML/Bat-BigFreeTail.html
Physical characteristics
(internal & external)
-males are usually larger than the females are
-very velvety, glossy, seemingly almost greasy to the touch
-oat is bi-colored, dorsally dark red to dark brown
- wings long and narrow
-membrane of the wing is thin and leathery
-tail extends freely
-the ears lay forward and connect at the bases on the top of the head
-muzzle is fairly thin
-short but very strong legs
Behavioral characteristics
-strictly nocturnal
-only leaves the roost after sundown
-known to hunt in small groups
-strong flying habits and have a tendency to wander
-tend not to be aggressive but do bite
Scientists think birds descended from small, feathered dinosaurs roughly 150 million years ago. They survived the asteroid impact.
https://askabiologist.asu.edu/human-bird-and-bat-bone-comparison
Bats, which generally are nocturnal, are the only mammals to have developed powered flight — some like flying squirrels glide but do not fly. Bats arose about 50 million years ago.
The wing structure of bats and birds differs. Birds have feathers projecting back from lightweight, fused arm and hand bones. Bats have flexible, relatively short wings with membranes stretched between elongated fingers.
Bat hemoglobin resembles other mammals
http://www.bloodjournal.org/content/122/25/4047/tab-figures-only
https://whatsinjohnsfreezer.com/2016/02/12/bkam1_cfl/
http://tweetboard.me/internal-anatomy-of-a-bat/internal-anatomy-of-a-bat-manta-ray-faq/
Natural Selection
Descent whith modification
traits are passed on by what is best for survival
https://phys.org/news/2016-05-reveals-traits-evolutionary-history-carnivorous.html
https://www.sciencedirect.com/science/article/pii/0010406X66901174
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2764348/
https://embryology.med.unsw.edu.au/embryology/index.php/Bat_Development
https://www.reuters.com/article/us-bats-flight/bats-and-birds-quite-different-fliers-idUSN1047841920070510
https://imnh.iri.isu.edu/digitalatlas/bio/mammal/bats/camy/camyfrm.htm
http://animaldiversity.org/accounts/Myotis_californicus/
https://animaldiversity.org/accounts/Nyctinomops_macrotis/
http://animaldiversity.org/accounts/Choeronycteris_mexicana/
Sources