RT @IBIS_journal: Food preferences by birds using bird-feeders in winter: a large-scale experiment https://t.co/rcAcuAj6nu | #ornithology |…
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RT @RiffBirds: "Recent studies carried out in Poland have shown that population density of urban birds has more than doubled compared to th…
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"Recent studies carried out in Poland have shown that population density of urban birds has more than doubled compared to that of rural birds, and one reason is supplementary birds feeding by people." Und Sonnenblumenkerne mögen sie am liebsten. https://t.
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Poner comederos para aves es una actividad cada vez más popular, ¿pero cuál es el alimento preferido? @GreatGreyTryjan lo ha descubierto con este experimento: https://t.co/SyILB8m92E | #ornithology https://t.co/OKCMZUIizP