“ The ‘accidentals’ are the exceptional individuals that go farthest away from the metropolis of the species; they do not belong to the ordinary mob, ” Joseph Grinnell, a field biologist in California, noted in 1922....
tke, a German ornithologist, described in 1895 as “ the whole vault of heaven.” Some rely on potentially inherited “ mental maps ” refined during the first journeys of life. Many employ an internal clock for measuring elapsed time....
They may also have an internal compass for
综合
纽约时报-亚洲新闻
2022-04-07 00:00:00.0
