Penguins may sniff out relatives
Zoo study sees hints of odor-based kin recognition
By Susan Milius, 15:55 PM September 22, 2011
Penguins may be able to smell some feathery, waddling whiff of kinship on others of their kind.
In some sniff tests, Humboldt penguins (Spheniscus humboldti) in the Brookfield Zoo outside Chicago could discriminate between the odor of birds they knew and birds they weren’t familiar with, says Jill Mateo of the University of Chicago. More intriguingly, the birds also showed evidence of an ability to distinguish between the scents of relatives and nonrelatives even if they weren’t personally ...
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