Bok
09-22-2011, 07:34 PM
Zoo study sees hints of odor-based kin recognition
More... (http://www.sciencenews.org/view/generic/id/334672/title/Penguins_may_sniff_out_relatives)
More... (http://www.sciencenews.org/view/generic/id/334672/title/Penguins_may_sniff_out_relatives)