Fossilized footprints reveal prehistoric elephant nursery

Fossilized footprint tracks from the Matalascañas Trampled Surface in Huelva, south west Spain suggest that the area was used by straight-tusked elephants (Palaeoloxodon antiquus) to raise newborn offspring during the Late ...

Endangered swift parrots favor sons despite female shortage

New research from The Australian National University (ANU) shows female swift parrots can determine the sex of their offspring, and they are favoring boys over girls as they face diminished survival prospects in the wild.

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