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frog

Life

Male Brazilian frog stays loyal to two females during breeding season

The males of a Brazilian frog species are the first amphibians known to stay faithful to two females throughout their breeding season, replicating a style of mating seen in mammals

News

grey reef sharks

Life

Grey reef sharks hang out with the same friends year after year

News

termite nest

Life

Termite intruders evolved cowardice to squat in another species’ nest

News

Nature_versus_nature

Definition

Nature versus nurture

Sea turtles sometimes get really lost in the ocean on the way home

Life

Sea turtles sometimes get really lost in the ocean on the way home

News

Tuatara (Sphenodon punctatus). Captive. New Zealand

Definition

Tuataras

Spider

Definition

Spider

Dolphins learn from peers to chase fish into shells and then eat them

Life

Dolphins learn from peers to chase fish into shells and then eat them

News

There's a bird that tricks other animals into dropping their lunch

Life

There's a bird that tricks other animals into dropping their lunch

Culture

Last Word

Cats are famously grumpy, but do they have facial expressions?

What is your pet cat trying to tell you? Readers divine feline thoughts

Regulars

Humans

Can nudge theory really stop covid-19 by changing our behaviour?

Features

Life

Scratching is contagious among strangers – if you are an orangutan

News

Video

Why bats and nocturnal animals hate light pollution?

Video

Humans

Seagulls aren't menaces – they are fascinating and complex creatures

Regulars