Life
Red feathers determine which common waxbill is the boss
For a songbird called the common waxbill, dominance isn't governed by body size, intelligence, or even temperament, but by the intensity of the colours in their chest feathers
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Life
Dogs may get worse separation anxiety when left alone with another dog
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Life
Vipers evolved either nose or eye horns depending on their habitat
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Life
Grumpy and aggressive shelter cats become more friendly over time
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Life
Barn owls make mental maps of their surroundings while they are flying
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Life
Female seahorses forget their pregnant male partners if separated
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Life
Haunting lemur songs have a rhythm similar to human music
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Life
Wolf cubs raised by humans become attached to us like puppies
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Life
Penguins have rare ability to recognise each other’s faces and voices
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Environment
Toxic oak moth threatens UK trees after failure to control its spread
The oak processionary moth, a native of southern Europe that damages oak trees, is invasive in the UK and is now spreading more rapidly there 鈥� despite efforts to control it
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Life
Gifted dogs can learn 12 words in a week and remember them for months
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Life
Female cleaner fish can judge when to cheat without getting caught
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Life
57 per cent of elephants at Thai tourist facilities have nervous tics
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Life
Hyenas make faces at each other when they want to play-fight
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