Vision stimulates courtship calls in the grey tree frog

Male tree frogs like to 'see what they're getting' when they select females for mating, according to a new study by Dr. Michael Reichert from the University of Wisconsin-Milwaukee in the US. His work, which is one of the ...

Monkeys put off sex by bystanders

Monkeys shy away from bystanders during copulation, irrespective of the bystanders' gender or rank. The new study, by Anne Overduin-de Vries and her team from the Biomedical Primate Research Centre in the Netherlands, also ...

Mother's little helpers let her relax

Having relations around to help look after the kids lets mothers ease off and save energy for the next lot, a study of Australian cooperative birds shows.

Are animal traits the result of behavioral epigenetics?

A plant that is unremarkable in one environment becomes an invasive species in another, pushing through house foundations and sprouting up through roads. A house sparrow that's a perfectly charming resident of the English ...

Camouflage of moths: Secrets to invisibility revealed

Moths are iconic examples of camouflage. Their wing coloration and patterns are shaped by natural selection to match the patterns of natural substrates, such as a tree bark or leaves, on which the moths rest. But, according ...

Hormone-mimicking chemicals cause inter-species mating

Hormone-mimicking chemicals released into rivers have been found to impact the mating choices of fish, a new study has revealed. The controversial chemical BPA, which emits oestrogen-like properties, was found to alter an ...

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