Let's talk about gay penguins: Munich zoo joins Pride week

Organisers of this year's Gay Pride week in Munich have a group of rather wild partners—penguins, giraffes and lions at the city zoo where tours are being run about same-sex love in the animal kingdom.

Male fish can thank genes for colourful looks

Striking traits seen only in males of some species – such as colourful peacock feathers or butterfly wings – are partly explained by gene behaviour, research suggests.

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