swarm of bats flying out of deer cave

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Millions of bats fly out of Deer Cave every evening - Mulu (Borneo)

In the evening, bat colonies fly out of the cave, forming long, undulating snake-like swarms in the sky.­ The mesmerizing event lasts for about half an hour, just before sunset.­

Deer Cave is home to about 4 million Wrinkle Lipped Bats that live in colonies high up in the cave ceiling.­ Every evening all the bats fly out in huge swarms and clouds to feed.­

For more photos and information about Deer Cave, go to my Deer Cave photo series.

View my video of this swarm of bats.

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Gunung Mulu National Park (Borneo) Borneo Deer Cave - Mulu (Borneo)
Marudi, Malaysia