VAN WEERD, M. (2010) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/v-1699975706/van-weerd-m-2010
and the University of Southern Mindanao, central Mindanao, on Ligawasan Marsh, have
and the University of Southern Mindanao, central Mindanao, on Ligawasan Marsh, have
It describes the problems which have brought the species to the brink of extinction
Since 1970 24 Douc langurs have been born at the Zoo where, at time of writing, 5.6
used to validate androgens (5α-androstanolone, epiandrosterone und testosterone) have
levels of zoo organizations, from the world association to single institutions, have
In the Asian elephant, the results of these studies have already permitted the use
is still a common practice worldwide in flamingos, pelicans and other birds that have
A total of 88 hatchlings have been produced over two successive years by a male and
widespread use of camera traps in wildlife monitoring projects since 2005, there have
. & SJÖBERG, G. (1995) Introduced Swedish Canada Geese (Branta canadensis) have