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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Ethological study of marmoset monkeys in Jihlava Zoo.
 ROHELOVÁ, Markéta
Pygmy marmoset (Cebuella pygmaea) is the smallest species of marmosets (Callitrichidae) and at once the smallest monkey of the world. The diet of pygmy marmoset consists of exudates (gumivory), fruits and insects. It lives in monogamous pairs where dominant pair gave birth to two offspring. Main care is provided by male and older siblings. Mother care about offspring only when nurse them. This study was performed in zoo Jihlava where was the carrying of infants (Cebuella pygmaea) the main focus of observation. The carrying was provided by two different species - pygmy marmoset (Cebuella pygmaea) and golden lion tamarin (Leontopithecus rosalia). This group of marmosets lived in the same cage. Observations were made six hours per week since third to twelve week of offspring life. All behaviour was directly observed and compared with another species of Platyrrhini. The comparison of breeding conditions in zoos and private facilities was another aim. It was found that at the beginning the male (father) carry offspring most often. Since the fourth week it was greatly replaced by lion female. The first observation of young without carrying individual was done in their fifth week. Since this time, both lion males start to carry (male - 1 mainly in 7th and 8th weeks). In 9th week young became more and more independent. The lion female, pygmy marmoset male and lion male - 1 were the most frequently carrying individuals, respectively.
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Alloparental behaviour of mammals with direction to elect species of genus \kur{Acomys}
 TUČKOVÁ, Vladimíra
Despite the widespread interest in alloparental behaviour, relatively little is known about the factors that affect participation of alloparent in the care of strange young. The review of this issue was made with the direction to possible factors leading to this phenomenon and the consequence of this behaviour. It was insisted on the most demanding activities of coopreration in care of young-nursing and retrieving of pups. A separate charter was made for the abundantly studied species egyptian spiny mouse (Acomys cahirinus). Possible factors influencing nursing and retrieving of pup of eastern spiny mouse (Acomys dimidiatus) were examined in the practical section of this Bc.thesis.
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