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Articles on Mammals

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A Bohemian waxwing eating mountain ash berries. Lisa Hupp, USFWS/Flickr

With fewer animals to spread their seeds, plants could have trouble adapting to climate change

Forests around the world will need to shift their ranges to adapt to climate change. But many trees and plants rely on animals to spread their seeds widely, and those partners are declining.
Sabre-tooth tiger Smilodon meets the South American marsupial, Thylacosmilus. This is a classic image of supposedly ‘superior northerners’ outcompeting ‘inferior southerners’, but such meetings actually rarely happened as many of the southern species had already gone extinct. 'The rise of Smilodon', Hodari Nundu

South America is filled with mammals of North American origin but not vice versa – and scientists have figured out why

Why were mammals travelling south through newly-formed Panama so much more successful than those heading north?

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