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Cake day: June 26th, 2023

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  • Aaroncvx@lemmy.worldtoMicroblog Memes@lemmy.worldHarsh, but true
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    7 months ago

    “’Non-breeding’ plumage can mean any plumage that is not the plumage birds have moulted into specifically for the breeding season. (Some birds only moult once a year so at breeding time, their plumage is the same as the rest of the year, others have an additional moult early Spring into smarter feathers). So ‘non-breeding’ can mean an adult in winter plumage or an immature bird that has not yet reached maturity but as applied to birds that normally moult twice a year. Adult Birds moult out of their breeding plumage from around July onwards into a winter plumage. Usually it’s a lot more drab and less colourful than breeding plumage.” -Deb Burhinus

    https://www.birdforum.net/threads/non-breeding-adults.402706/

    Looks like they get into more detail but that was the first thing I found.