Lactation hormone cues birds to be good parents

Toppling a widespread assumption that a "lactation" hormone only cues animals to produce food for their babies, Cornell researchers have shown the hormone also prompts zebra finches to be good parents.

Foster tadpoles trigger parental instinct in poison frogs

Poison frogs, especially male poison frogs, are very caring parents. After the tadpoles hatch, the males piggyback their offspring to distant pools spread around the rainforest where they can feed and develop. In a recent ...

Breeding pairs of birds cooperate to resist climate change

Most bird chicks need parental care to survive. In biparental species the chicks have greater chances of success if both parents participate in this task, especially under hostile situations. An international team of scientists ...

New coral reef fish species shows rare parental care behavior

The vast majority of coral reef fish produce large numbers of young that disperse into the ocean as larvae, drifting with the currents before settling down on a reef. Giacomo Bernardi, a professor of ecology and evolutionary ...

Male poison frogs become cannibals after taking over territories

Systematic 'infanticide' of unrelated young occurs in several animal species. For carnivores and primates, infanticidal actions are mainly sexually motivated. A study in Scientific Reports by researchers of Vetmeduni Vienna ...

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