Sniffing, a common behavior in
dogs, cats and other animals, has been observed to also serve as a method for
rats to communicate.
Researchers have long
observed how animals vigorously sniff when they interact, a habit usually
passed off as simply smelling each other. But Daniel W. Wesson, PhD, of Case
Western Reserve University School of Medicine, whose research is published
today in Current Biology, found that rats sniff each other to
signal a social hierarchy and prevent aggressive behavior.
I liked this article because it talks about how
animals sniffing each other kind of show emotion in the process. So if you
think about it the animals kind of have their own second language. It’s like a
little sign language.
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