Bats roost in big groups in caves. Wrong! If you’re a Hardwicke’s woolly bat, you prefer to sleep in a more luxurious — and private — place.
Kerivoula hardwickii roosts inside tropical pitcher plants. These carnivorous plants usually attract insects, but Nepenthes hemsleyana lacks the scents that others have, so few bugs are lured in. Instead, it benefits from the faeces of this tiny bat, which provides more than a third of its nitrogen and may be crucial to the plant’s survival.
These bats found a niche that no-one else was occupying; they are the only bat species known to roost in pitcher plants.
To take [the image above, and others] Merlin Tuttle waded through tropical forest peat swamps on Borneo. Once he had found an occupied plant, he would spend a few hours taming a bat before snapping it from his portable studio, which provided protection from heavy rains. “It only takes a small fraction of a second for a bat to either enter or emerge, so capturing the action at just the right moment is a real challenge,” says Tuttle.
Within a few days, the bats had learned to bump against his nose when they wanted him to give them some mealworms. “We were quite amazed at the intelligence of such tiny animals,” Tuttle says. “Contrary to common misconceptions, bats in general are gentle, highly intelligent and trainable.”
It is the fact that wild bats are so easily trainable that really struck me!
From New Scientist, 21 February 2015 and at www.newscientist.com/article/mg22530090.100-tiny-bat-makes-home-in-a-carnivorous-plant.htm.
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