Older male blue tits out-compete young males when it comes to extra-marital breeding
Young male blue tits are less successful in fathering offspring outside their breeding pair, not because of a lack of ...
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Blue tits, Cyanistes caeruleus (IMAGE)
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Older males out-compete young males outside breeding pairs, bird study shows
Young male blue tits are less successful in fathering offspring outside their breeding pair, not because of a lack of experience, but because they are outcompeted by older males, researchers report.
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British garden birds: autumn and winter highlights
Like robins, blue tits (Cyanistes caeruleus) are another easy spot in winter due to their bright cerulean and yellow-green colouring. These are remarkably common garden birds - since the 1960s their ...
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Older males out-compete young males when it comes to extra-marital breeding
Between 2007 and 2021, researchers studied the breeding behavior of a wild population of blue tits (Cyanistes caeruleus) living in nest boxes in a German forest, using radio-frequency ...