Mondo Knows Facts

Bats leave a roost at sunset in a rush

Groups emerge from a cave within a few minutes, warmest and hungriest first The surge at dusk follows a pattern, with the animals under most pressure to feed going earliest. That spread reduces crowding at the entrance. Bats return before dawn and can find their roost in complete darkness. It sits in Mondo's animals collection, one of 200 facts that each trace back to the reference below.

Bats leave a roost at sunset in a rush, photograph
YuvalH ยท CC BY 2.0 ยท licence ยท source

Where this comes from

Bat Conservation International

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Tags: bats, roosts, behaviour

Bats leave a roost at sunset in a rush: the short answers

Where does this come from, and can I check it?
Groups emerge from a cave within a few minutes, warmest and hungriest first. The figure is taken from Bat Conservation International, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a animals fact?
Yes. It sits on the Animals shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.