Whereas an upturned pose would lead blood to pool in a person's head, resulting in health problems over time, a bat's compact size lets its heart easily pump blood throughout its body. After ...

One assistant will hold the bat's head and body while a second assistant gently spreads the wing and holds the vein at its most proximal end, to allow the vessel to engorge with blood and dilate.

Mating among these bats is initiated with ritualized calls and affectionate head nuzzling ... already weighing one-fourth of an adult's body weight. Baby bats mature quickly becoming fully ...

The fit is exact. The bat crams its head into the cupped opening, hooks thumbs onto the beacon’s base, tucks its tail, whips its hind feet up. Braced high on the pea pod, it thrusts its snout ...