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Ancient kangaroos

Australia has been home to hopping kangaroos for 20 million years

6 February 2019

It was thought that kangaroos evolved to hop when Australia’s climate dried out, but it now seems their relatives were hopping much earlier


mimic poison frog

Core set of genes explain why some animals stick to one mate at a time

7 January 2019

Across a wide range of species, from mice to fish, a common set of genetic changes appear to be linked to monogamous behaviour


tungara frog

City living makes urban male frogs far more attractive to females

10 December 2018

Urban male túngara frogs have evolved more elaborate mating calls than their rural brothers, which make them much better at attracting a mate


Female flies evolved serrated genitals that get in the way during sex

Female flies evolved serrated genitals that get in the way during sex

25 September 2018

Spotted-wing drosophila have evolved a special organ for laying their eggs in fruit, but it makes it difficult for males to hold on when they mate


Ape ‘midwives’ spotted helping female bonobos give birth

Ape ‘midwives’ spotted helping female bonobos give birth

18 May 2018

When female bonobos went into labour, other females gathered around to keep them safe, swatting away flies and even seemingly trying to catch the baby as it emerged


A soldierfish with its lachrymal sabre ready for combat

These fish hide fluorescent switchblades in their faces

13 April 2018

We've only just discovered that many stonefish can flip out a spiny bone in their faces when predators attack, in addition to having highly venomous spines


Biathletes

Male athletes with higher world rankings are better looking

24 August 2017

Male biathletes who achieved a higher world ranking were rated as more attractive, suggesting women have evolved to prefer men with endurance and skill


Extinct species of Galapagos giant tortoise may be resurrected

Extinct species of Galapagos giant tortoise may be resurrected

1 June 2017

The Floreana Island giant tortoise was wiped out in the 19th century, but close relatives found on other islands might be key to bringing it back


Hopping miniature parrots suggest how birds first got airborne

Hopping miniature parrots suggest how birds first got airborne

17 May 2017

Parrotlets save energy when foraging by jumping from perch to perch with a few wingbeats, a technique that might have predated true flight


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