Category Archives: reproductive behaviour

Gruesome boost

Damaged cicadas spread fungal spores via sexual behaviour Massospora fungi produce substances that we know as recreational drugs, Greg Boyce and colleagues write. By doing so, they manipulate the behaviour of cicadas in which they proliferate. The insects face a … Continue reading

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Flamingos use cosmetics

Females apply more colourful make-up than males To catch the attention of possible mates, flamingos use make-up. They produce a colourful oil which they apply over the feathers to reinforce their colour, signalling their quality. For females this is more … Continue reading

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Males in transition

Squid male changes its mating tactic when growing larger When becoming sexually active, male squids are little successful at first. Only later they perform better, increasing their chances to sire offspring. This development includes major changes, Lígia Apostólico and José … Continue reading

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Blacker than black

Almost no light escapes from of bird of paradise feathers Many birds of paradise have beautiful colours, the brightness of which partly is an illusion, created by dark feathers that surround coloured patches. These feathers are not normal black, but … Continue reading

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Disarmed, but not impotent

Disabled cactus bug produces more sperm With their enlarged hind legs, male cactus bugs fight with each other to defend a territory or to achieve access to a female. What will become of a male that lost one of those … Continue reading

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Percussion

Palm cockatoo drums with self-fashioned drumstick With a female listening, palm cockatoo males may repeatedly strike a hollow branch or trunk with a stick. Robert Heinsohn and colleagues heard that the birds have good rhythm and that every male has … Continue reading

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Fake present

Male spider cheats female with densely wrapped rubbish A male nursery web spider may offer its partner a worthless package instead of a decent nuptial gift. He wraps such a fake present in many layers of silk, Paolo Ghislandi and … Continue reading

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Selfknowledge in red-backed fairy-wrens

Only old and bright males seek extra-pair mates Red-backed fairy-wren males know how to behave to maximize their fitness, Denélle Dowling and Michael Dowling show. A male that has a bright breeding plumage invests in courting extra-pair females, whereas a … Continue reading

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