Related topics: species ยท climate change

Birds share food with less fortunate conspecifics

People aren't the only ones who show sympathy. Birds also seem to care about the fate of conspecifics. They notice how much food the others already have and then share theirs with individuals that were not given any. "They ...

Hunger encourages risk-taking

The lives of animals in the wild are full of risky situations with uncertain outcomes. Whether they are exploring new habitats in unfamiliar terrain or searching for new food sources, they run the risk of being caught and ...

Future climate changes in nature reserves

The Earth's nature reserves are the basis for the preservation of global biodiversity. They are set to be affected by future climate change in very different ways. Detailed local knowledge of climate change impacts can therefore ...

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Species

In biology, a species is:

There are many definitions of what kind of unit a species is (or should be). A common definition is that of a group of organisms capable of interbreeding and producing fertile offspring, and separated from other such groups with which interbreeding does not (normally) happen. Other definitions may focus on similarity of DNA or morphology. Some species are further subdivided into subspecies, and here also there is no close agreement on the criteria to be used.

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