Humans and other primates aren’t the only members of the animal kingdom who can watch total strangers interact and figure out who’s in charge. Ravens can do it too, according to a new study in the journal Nature Communications.
Comebackers -- 10,000 Birds, Felonious Jive -- "These species have seen the infamous Brink of Extinction, seemingly gone over the edge, and have scrambled back to solid ground in the nick of time…with a little extra help. Here are some U.S. birds that we are lucky to have with us today, species that seem to have beat the odds and have been migrating on the long and bumpy road to recovery."
"In many bird species, the redder the male, the more successful it is at finding mates," said co-senior author Joseph Corbo, an associate professor of pathology and immunology at Washington University in St. Louis. Some birds are able to convert the yellow molecules to red ones -- known as
The Key to a Long Life -- "Interestingly the study found that females remained in their prime longer if they had good mates. Their fertility did not wane so soon, they aged more slowly." Outside My Window http://www.wqed.org/birdblog/