Introducing species to change ecosystems is a balancing act

Species hold ecosystems in a delicate balance. From time to time humans introduce non-native species to an ecosystem, because they may be needed for domestic work, as pets, for carrying loads or even for killing previously ...

Petrels tracked across the Oceans

Staff at British Antarctic Survey (BAS) are following the journeys of White-chinned Petrel fledglings as they make their first journeys over the South Atlantic Ocean in search of food. The birds have been fitted with small ...

The environment determines Caribbean hummingbirds' vulnerability

Hummingbird specialization and vulnerability are often predicted based on physical traits. Scientists have now found that this is not the case for hummingbirds on the Caribbean islands. Instead, the bird's environment is ...

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