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Articles on Zoology

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Female wasp spiders often eat their mate straight after intercourse. Wikimedia Commons

Sticky and picky: why male orb-web spiders like heavy virgins

When it comes to selecting a mate, females are traditionally thought of as the choosy sex; males, meanwhile, aren’t thought to be particularly picky. This makes sense for many species – the sex that invests…

Hormones determine insect metamorphoses

Pulses of steroid hormones are responsible for differentiating an insect’s lifecycle metamorphoses, researchers at Washington…

Fishy ‘alarm substance’ analysed

Researchers from the Agency of Science, Technology and Research in Singapore have analysed the nature of the “alarm substance…

Bees shake abdomens to say ‘I see you’

Asian honey bees attempt to ward off would-be predators by vibrating their abdomens from side to side, researchers at the…

New Vietnamese ferret-badger identified

A new species of ferret-badger has been found in central Vietnam. The new species, Melogale cucphuongensis, differs from…

How woodpeckers avoid headaches

An analysis of woodpecker anatomy and behavior revealed some features that prevent head injuries and could potentially be…
Chimps, like humans, can relive painful memories and grieve for loved ones. tgraham

Almost human: why a laboratory is no place for great apes

Twenty years ago, Jared Diamond’s book “The Third Chimpanzee” highlighted a startling fact. If we adhere to the scientific rules for classifying species (taxonomy), humans should be classified as a third…

Can crows read?

Crows can recognise and ascribe numerical meaning to symbols, a new study shows, suggesting that the unusually intelligent birds may be able to “read” numbers and simple icons. Crows are known for their…

Distance no barrier for symbiotic species

Species that are mutually dependent on each other can, in some cases, become separated and reconnect again over distances…

Honeyguides kill their siblings

Only a few days old and still blind and naked, chicks of the African greater honeyguide kill their newly hatched foster siblings…

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