Estimating the age of Risso's dolphins (Grampus griseus) based on skin appearance

One of Risso’s dolphin’s distinctive characteristics is the tendency to “lighten” with age due to the accumulation of unpigmented scars. These accumulated scars may provide an indication of age. Photographic skin recaptures gathered from 61 free-ranging animals over a period of 15 years were analyze...

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Veröffentlicht in:	Journal of mammalogy 2016-03, Vol.97 (2), p.490-502
Hauptverfasser:	Hartman, Karin L., Wittich, Anja, Cai, Juan Juan, Meulen, Frank H. van der, Azevedo, José M. N.
Format:	Artikel
Sprache:	eng
Schlagworte:	age estimation Animal populations Animals Aquatic mammals Bayesian analysis Bayesian estimation coloration stages Dolphins & porpoises FEATURE ARTICLES noninvasive methods pigmentation Population structure Population studies Risso's dolphin scarification Skin Statistical models Zoology
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