
Ontario Nature’s Bat Guide comes replete with wonderful Bat Facts (or useless trivia, depending on your personal bent). Such as “Bat fact: Eastern tricolored bats lose up to 30 percent of their body mass during hibernation between October and April. During spring and summer, they are efficient predators, catching an insect every two seconds and, in a mere 30 minutes, are able to increase their body mass by 25 percent.”
And
“A lactating little brown myotis bat needs to consume her full body weight in insects every night, equivalent to some 5,000 mosquitoes.”

There is a section on White Nose Syndrome, a new fungus disease currently attacking North American bats and the short guide ends with some bat conservation tips.
I needs to spend some time learning more or understanding more.