City birds more toxic than country cousins
Toxic industrial pollutants contaminate bird eggs in Australia’s major eastern cities at levels seven to nine times higher…
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Sexual antagonism affects litter sizes
Genetic variation persists through generations, rather than being bred out in an evolution towards a “perfect type”, shows…
Friendship important to dolphins
While researchers have already known for a long time that dolphins associate in the equivalent of human “mum’s clubs”, the…
Tooth-venom arsenal key to Komodo Dragon’s hunting strategy
The efficiency of the Komodo Dragon bite is a combination of highly specialised serrated teeth and venom, say researchers…
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