Field observation of twinning in the dusky titi monkey, Callicebus cupreus.
Knogge
C
C
AG Verhaltensforschung/Okologie, Göttingen, Deutschland.
Heymann
E W
EW
D000818:Animals; D000831:Animals, Newborn; D002427:Cebidae; D005260:Female; D008297:Male; D011247:Pregnancy; D013045:Species Specificity; D014427:Twins