Category: Animals

Sex talk – it’s all about electricity and vibrations

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Image by Nemo/CCO

http://thermograve.co.uk/everybodys-looking-good/ During mating rituals, animals usually communicate through touch, sight, smell, or hearing. Some species communicate in unconventional ways, relying on vibrational and electric signals rather than the more common sensory approaches. These unique signals are often invisible to other animals that do not possess the organs needed to perceive them. Continue reading

Masters of deception: how spiders trick ants

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Image edited: vectorsme (ant);Nemo/30559 images (spider), CCO

http://thermograve.co.uk/careers moved here  All spiders are predators, but most of them are small and have rudimentary defences against larger animals that in turn prey on them. Spiders have thus evolved a range of predatory behaviours that, at the same time, allow them to evade the threat of predation – and some of the most effective strategies involve deceiving ants.

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‘Inner GPS’ of a bird’s brain helps it find food

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Clark’s Nutcracker (Image: Wing-Chi Poon, CC BY-SA)

The 2014 Nobel Prize for Physiology and Medicine was awarded to three neuroscientists for their pioneering work on the brain’s “inner GPS system”. Over the course of four decades, they revealed that a small part in the brain called the hippocampus stores a map of animals’ surroundings and helps them navigate.

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Despite metamorphosis, moths hold on to memories from their caterpillar days

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drippyhippie, CC BY-NC-ND
Metamorphosis (Photo: drippyhippie/CC BY-NC-ND)

Metamorphosis has fascinated biologists for years.  A butterfly may look drastically different from its former worm-like caterpillar self, but we now know that its appearance and memories are tremendously influenced by caterpillar experiences. 

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