Nature

Giant polyandrous bees

Honey bee image via Shutterstock Social insects (the hymenoptera, excluding the primitive termites) all use the same sex determination mechanism, with a gene called csd calling the shots. Hainan is...

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Male giraffe pelage colour changes linked to ageing

This young Zambian male giraffe still has his sienna-brown spots, so he's under nine years,; Giraffe image via Shutterstock When we age, ladies like to do it gracefully while men...

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Male bonding works for dolphins too

Bottlenose dolphins image via Shutterstock As a successful, 'catholic feeder', the bottlenose dolphin occurs worldwide as different sub-species, now often becoming species. Genetics can really help with rare organisms where...

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Meet the wasp king - Megalara garuda

Garuda has been interpreted in Indonesia as a god or eagle, fighting serpents. It's not known what this Garuda preys upon, but it looks capable of mighty deeds; Above is...

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The tropical past of belugas and narwhals

Narwhal illustration - Narwhal image via Shutterstock Three or four million years ago, the whales had no humans to hunt them. Jorge Velez-Juarbe & Nicholas D. Pyenson, writing in the...

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Madagascar is Worlds Apart

The fossa, Cryptoprocta ferox, is a one off. The island equivalent of a tiger, cougar or leopard, if you like, it's really an overgrown mongoose, although it had a cousin...

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Butterflies benefit from being social

Sara longwing butterfly, a spp. of Heliconius from Costa Rica, Heliconius sara; Credit: Shutterstock The magnificent Monarch (Danaus plexippus) is the first to be seen, in1856, in a valley in...

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Turtles are specialists at hearing underwater

The ear is hard to detect, below the red triangle and left of the eye; Credit: Shutterstock Jakob Christensen-Dalsgaard of the University of Southern Denmark in Odense and Woods Hole...

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Giant squid have eyes like dinner plates

Squid eye close-up; Credit: Shutterstock The size of 27cm (11inches) would dwarf any other eyes in the molluscan, fish or mammalian world. Only ichthyosaurs (fossil marine reptiles) would have a...

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