Health
Fresh blood with good friends: social life of vampire bats
When thinking about vampire bats, friendship and cooperation may not be among the qualities that come to mind for these bloody creatures at night. But maybe they should.
Scientists provided a deeper understanding of the social relationships between vampire bats on Thursday, while those who formed “friendship” -like bonds with others were looking for food. And showed how to rendezvous.
About the latest treatises @PLOSBiology
Combined capture experiments again # Tech4wildlife Exploring vampire social foraging #bats..It turns out that bats are looking for food with a partner with whom they have a bond @EEOB_OSU@mfnberlin @stri_panama https://t.co/zMOUr8y3wu— Simon Ripperger (@SimonRipperger) September 23, 2021
Researchers have attached a small device to 50 vampire bats to track nighttime foraging in Panama. These flying mammals drink blood from the wounds they inflict on cows in the pasture. The study included female bats, which are known to have stronger social relationships than males. Among the bats were 23 wild-born individuals that had been bred for about two years during a related study of bat social behavior.
Social ties have already been observed between some of them. After being returned to the wild, it was found that bats often joined “friends” during foraging and probably coordinated hunting.
“Each bat maintains its own network of close, collaborative social ties,” said Gerald Carter, a behavioral ecologist at Ohio State University, and the Smithsonian Tropical Studies, which led the study in the journal PLoSBiology. The place says.
Social ties when vampire bats roost on trees include grooming each other and regurgitating a blood diet for hungry companions. Studies have shown that the social bonds formed by roosts have extended to hunting.
“This study opens up exciting new windows in the social life of these animals,” Carter said. Researchers rarely go out for food with their “friends,” but researchers may connect with them during hunting, perhaps recognizing each other’s vocalizations and gaining mutual benefit. I suspect it isn’t. They assume that bats may feed by exchanging information about feeding locations and access to open wounds.
Inhabiting the warmer parts of Latin America, the vampire bat, with a wingspan of about 7 inches (18 cm), is the only mammal to feed on blood only. They live in colonies ranging from tens to thousands of individuals.
@SimonRipperger Seriously cool paper @PLOSbiology About female vampire bat hunting strategies. They like the company.It suggests friendships that are essential to their way of life and may help us to better understand one of our most elusive night animals. #bats #SciComm https://t.co/STQhWZOpoy pic.twitter.com/UMMa1OP2KH
— Liz (@thegsyscientist) September 23, 2021
“People’s first reaction to vampire bats is usually” uh, scary. ” But when we talk about their complex social life, we’re very surprised to find what humans do in bats and what they expect from primates, “co-authored the study. Said Simon Ripperger. , Postdoctoral Fellow, Smithsonian Tropical Research Institute.
Lippelger called them “amazing creatures” for several reasons. “In addition to their social life, vampire bats are very special. Specializing in a 100% blood diet is already very rare among vertebrates,” Ripperger said. “They are great runners and you can’t expect from a bat. They have a heat sensor in their nose that helps them find a place to chew. Saliva contains proteins that prevent blood clots and It is actually used in medical trials to prevent blood clots in patients with stroke. “
Bats attack their prey from the ground, use their sharp teeth to open wounds, and slap blood with their tongue. Carter said there is reason to fear vampire bats because they can infect livestock and people with rabies. “But I think they are beautiful and interesting animals in their own right,” Carter added. “Thus, they are a bit like grizzly bears, sharks, mice, and venomous snakes. Animals can help or endanger people, but they still need to be grateful for themselves. . “
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