La Tour du Valat

Article

Do mothers regulate facultative and obligate siblicide by differentially provisioning eggs with hormones?

Hugh Drummond, Auteur ; Cristina Rodriguez, Auteur ; Hubert Schwabl, Auteur

Dans Journal of Avian Biology (39(2) MAR 2008)

We examined androgens in clutches of two booby species that differ in their sibling conflict. Blue-footed booby Sula nebouxii chicks show an aggression-submission relationship, aggression is normally moderate and siblicide is facultative. Brown [...]

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Article

Eradicating introduced mammals from a forested tropical island

Cristina Rodriguez, Auteur ; Roxana Torres, Auteur ; Hugh Drummond, Auteur

Dans Biological Conservation (130(1) JUN 2006)

Methodologies developed in New Zealand for eradication of exotic mammals from temperate oceanic islands were adapted for use on a topographically complex, 194-ha, densely forested, tropical island off the Pacific coast of Mexico. Isla Isabel is [...]

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Article

Long-term population dynamics reveal that survival and recruitment of tropical boobies improve after a hurricane

Sergio Ancona, Auteur ; Hugh Drummond, Auteur ; Cristina Rodriguez, Auteur ; J. Jaime Zuniga-Vega, Auteur

Dans Journal of Avian Biology (48(2) FEB 2017)

Variability in population numbers is a central issue in evolutionary ecology and also in biodiversity conservation. However, for most seabirds this information is lacking and tropical populations are virtually unstudied. Long-term studies are wa[...]

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