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Vocal individuality of male Western Capercaillie Tetrao urogallus calls, an ambisonic bio-acoustic approach

Olga Jordi, Auteur ; Xavier Puig, Auteur ; Angelo Farina, Auteur ; Santi Mañosa, Auteur

Dans Bird Study (72(2) May, 2025)

Male Western Capercaillies Tetrao urogallus use their vocalizations during the breeding season for territorial and reproductive purposes, and these have genetically predefined characteristics that confer each bird with a unique and distinguishab[...]

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Sex differences in growth rates of Yellow-legged Gull Larus michahellis chicks

Olga Jordi, Auteur ; Juan Arizaga, Auteur

Dans Bird Study (63(2) avril 2, 2016)

Capsule: Chick growth rates was sex-dependent in an Atlantic Yellow-legged Gull Larus michahellis population.Aims: To describe the growth rate of Yellow-legged Gull chicks and sex-associated variations, and obtain a discriminant function to sex [...]

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