Parental behaviour and infant development in Owl monkeys (Aotus trivirgatus griseimembra).

Journal of Zoology 194 (1): 25-39. https://doi.org/10.1111/j.1469-7998.1981.tb04576.x

Abstract:

Behavioural interactions between parents and their developing offspring were studied in 13 captive groups of Owl monkeys. The male parent plays an important role in carrying the offspring and in ensuring the development of its independence. Older siblings also carry infants, but this behaviour is infrequent and age or sex differences are not measurable. Patterns of parental behaviour in Owl monkeys are compared to those observed in other monogamous primates and their adaptive significance is discussed. Some experimental studies of clinging positions in infant Owl monkeys are also described. The newborn possesses some innate ability to cling in a distinctive ventro‐lateral position upon the mother's body.

dixson-biblio

Gestation and Inter-Birth Intervals in the Owl Monkey (Aotus trivirgatus griseimembra).

Folia Primatol. 31:165–175. https://doi.org/10.1159/000155881

Abstract:

A single, timed mating indicated a gestation period of 133 days for Aotus trivirgatus griseimembra. This figure is confirmed by approximate correspondence with minimum inter-birth intervals, results from radioimmunoassay of urinary oestrogens during pregnancy, and general agreement with a logarithmic plot of gestation period against body weight for simian primates. Birth data indicate that owl monkey females in present colonies in captivity breed throughout the year and will, on average, produce 3 infants every 2 years. There is no evidence of a characteristic post-partum oestrus.

hunter-biblio

European Studbook for Douroucouli 2007-2010, Aotus lemurinus griseimembra & Aotus azarai boliviensis. Current until 31.12.10.

107 Seiten. Marwell Wildlife, Winchester.

Inhalt:

The Studbook provides a full overview of the living population, births, deaths and transfers over period 2007-2010, and also a full historical listing (a printed version of this list is only available on request). All animals registered in the studbook have been issued with a unique studbook number. Even if stillborn, animals will still be entered into the database as this is useful for reproductive analysis and also future demographic analysis. Temporary numbers mark animals of completely unknown origin and/or destiny, or animals where further investigation is needed.

The total number of douroucouli in captivity as reported to the studbook keeper by 31st December 2010 was Aotus lemurinus griseimembra 33.41.11 (85) in 19 institutions and Aotus azarae boliviensis 15.14.2 (31) in 12 institutions. These include animals in EAZA and non EAZA institutions and private holders.

Nachfolgepublikation:

O’CONNOR, J. (2014): European Studbook for Aotus lemurinus griseimembra and Aotus azarae boliviensis 2011-2013.

Captive Population: The total number of douroucouli in captivity as reported to the studbook keeper by 31st December 2013 was
Aotus lemurinus griseimembra 35.41.11 (87) in 22 institutions and Aotus azarae boliviensis 14.18.1 (33) in 14 institutions. These include animals in EAZA and non EAZA institutions and private holders.

parkes-biblio