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No evidence supporting sex-dependent differential movements and survival in Yellow-legged Gulls

Sergio Delgado, Auteur ; Asier Aldalur, Auteur ; Alfredo Herrero, Auteur ; Juan Arizaga, Auteur

Dans Ardea (108(2) NOV 2020)

Important biological parameters, such as movement and survival, can differ substantially between sexes, driving the demographic patterns of a population. Sex-dependent spatial segregation at the foraging grounds can evolve as a mechanism to redu[...]

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Article

Pre-fledging survival in a Yellow-legged Gull Larus michahellis population in northern Iberia is mostly determined by hatching date

Sergio Delgado, Auteur ; Juan Arizaga, Auteur

Dans Bird Study (64(2) April 3, 2017)

Capsule: Pre-fledging survival in a Yellow-legged Gull Larus michahellis population in northern Iberia is negatively correlated to hatching date.Aims: To explore which factors have more importance in determining the pre-fledging daily survival r[...]

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