Bears Eggs Investigation Mammals 
10,000 Birds
SEPTEMBER 6, 2022
In Daurian Redstarts , personality traits (specifically, whether a bird is shy or bold) partly determine how good an individual is in rejecting cuckoo eggs in its nest. Apparently, birds that are fast in exploring new things – bold birds – are better at rejecting parasitic eggs ( source ).
10,000 Birds
AUGUST 2, 2022
Actually, many birds are able to use smell; the 2006 edition of the classic textbook Ornithology states, “Although they have been underestimated in the past, the olfactory abilities of most birds are comparable to those of some mammals (Mason and Clark 2000). ” * Nevertheless, the myth continued.
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