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Two-million-year-old fossils of elephant teeth found in NW Iran
Two Quaternary Period fossils of elephant teeth, dating back to almost two million years ago, were discovered in Iran's northwestern Ardabil Province, said the head of provincial Natural History and Genetic Resources Bureau.
Climate change has left many mammals unable to relocate
As previous studies have shown, many animal populations have shifted as a result of climate change. But not all species have habitats available for relocation.
Humans have shrunk the planet's mammals
Humans have been altering the course of mammalian evolution for thousands of years, according to new research.
Birds, mammals van survive climate change
Science fiction is filled with tales of super-sized, super-resilient reptiles. Just because they've survived on this planet for millions of years, though, doesn't mean they're going to outlast us all.
Mammals gave up night life only after dinosaur doom
The earliest mammals were night creatures which only emerged from the cover of darkness after the demise of the daytime-dominating dinosaurs, researchers said Monday.
Humans responsible for demise of ancient mammals
Early humans were the dominant cause of the extinction of a variety of species of giant beasts, new research revealed.

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