Behav Ecol Sociobiol (2017) 71:132 DOI 10.1007/s00265-017-2364-7 FEATURED STUDENT RESEARCH PAPER Age-related parental care in a long-lived bird: implications for offspring development 1 1 2 1 Santiago Ortega & Oscar Sánchez-Macouzet & Andrea Urrutia & Cristina Rodríguez & Hugh Drummond Received: 4 April 2017 /Revised: 2 August 2017 /Accepted: 3 August 2017 Springer-Verlag GmbH Germany 2017 Abstract age-span of any long-lived species because of the difficulty of In long-lived species, behaviour is expected to vary across the sampling very old animals in the field. We measured intensity lifespan, first improving with maturation and experience and of nest defence over the age-span and confirmed that blue- then declining with senescence, but measurement is rare, par- footed boobies exhibit an age-related quadratic pattern in this ticularly during old age. Measuring nest defence intensity in parental behaviour: defence intensity increases in early life and 255 known-age blue-footed boobies (Sula nebouxii)of19age declines progressively afterwards. Our results imply that classes confirmed the inverted-U pattern: intensity of nest de- similar-shaped patterns may exist in other components of pa- fence increased in young males and females until roughly 11– rental care, such as feeding and social interaction, potentially 12 years and declined progressively afterwards. We discuss
Behavioral Ecology and Sociobiology – Springer Journals
Published: Aug 13, 2017
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