Animals that hibernate in winter include mammals (mice, bats, groundhogs, and raccoons), insects (honeybees, ladybugs, and beetles), and amphibians (frogs,| Everywhere Wild
Hummingbirds have the fastest heartbeat on the planet, aside from the Estrucan shrew. One of the most incredible facts about hummingbirds is that their hearts beat 1260 beats per minute. This must tire them out| Everywhere Wild