@prefix qudt: . @prefix owl: . @prefix xsd: . @prefix skos: . @prefix rdfs: . @prefix envo: . @prefix geo: . @prefix dwciri: . @prefix doap: . @prefix bigeonto: . @prefix vocab: . @prefix prvTypes: . @prefix map: . @prefix sp: . @prefix prism: . @prefix foaf: . @prefix sosa: . @prefix void: . @prefix d2rq: . @prefix d2r: . @prefix fabio: . @prefix datacite: . @prefix gr: . @prefix xhtml: . @prefix dwc: . @prefix cdt: . @prefix rdf: . @prefix prv: . @prefix meta: . @prefix time: . @prefix ro: . @prefix db: . @prefix dc: . a fabio:Expression , fabio:JournalArticle ; rdfs:isDefinedBy ; prism:doi ; prism:publicationDate "1991"^^xsd:gYear ; dc:abstract """Abstract Male southern sea lion, Otaria byronia, pups born at Peninsula Valdés, Argentina, were significantly heavier (13.7 ± 1.6 kg, n = 37 vs 12.3 ± 1.4 kg, n= 38) and longer (0.82 ± 0.04 m, n= 29 vs. 0.79 ± 0.03 m, n= 29) than females. The rate of mass and length gain during the first month of life did not differ between the sexes (males: 0.21 kg/d, 0.003 m/d; females: 0.20 kg/d, 0.004 m/d). Sex differences in pup body size were not reflected in female nursing behavior, attendance patterns, and duration of feeding trips. These results suggest that southern sea lion mothers invest more energy in sons than in daughters during gestation, a difference consistent with the importance of large body size to the reproductive success of males in a polygynous species Key words: southern sea lion, Otaria byronia, sexual dimorphism, Peninsula Valdes, body mass, growth rate, maternal behavior. MARINE MAMMAL SCIENCE, 7(4):385-394 (October 1991) http://onlinelibrary.wiley.com/doi/10.1111/j.1748-7692.1991.tb00113.x/abstract""" ; dc:creator "H. LUIS CAPOZZO, CLAUDIO CAMPAGNA, JOSE MONSERRAT" ; dc:format "PDF" ; dc:references ; dc:title "SEXUAL DIMORPHISM IN NEWBORN SOUTHERN SEA LIONS" ; owl:sameAs ; foaf:page . a prv:DataItem , foaf:Document ; dc:date "2024-03-28T15:11:29.052Z"^^xsd:dateTime ; prv:containedBy ; void:inDataset ; foaf:primaryTopic .