PILGRIM, M. & BIDDLE, R. (2013) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/p-1699975706/pilgrim-m-biddle-r-2013
Above and beyond this, some countries have defined regulatory minimum standards for
Dein Suchergebnis zum Thema: have
ZIDAR, J. (2008) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/z-1699975706/zidar-j-2008
Almost half the zoos have visitors around big parts of the enclosure despite the
HERBERS, L. (2013) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/h-1699975706/herbers-l-2013
Sloths have specialized in the course of the evolution in this food and their digestive
PEARSSON, E. L. et al. (2010) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/p-1699975706/pearsson-e-l-davis-j-m-litchfield-c-a-2010
Zoo exhibits that have mixed species have built in enrichment activities for the
VÁCLAVOVÁ, L. & ANDĚRA, M. (2007) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/v-1699975706/vaclavova-l-andera-m-2007
Summary: In the Czech Republic, Barbary sheep have been kept without interruption
SCHNUG, C. (1993) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/s-1699975706/schnug-c-1993
Abstract: Studies on nine German and one Swiss dolphinaria have been conducted regarding
MOLL, E.O., PLATT, K. et al. (2009) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/m-1699975706/moll-e-o-platt-k-platt-s-g-praschag-p-van-dijk-p-p-2009
destruction (e.g., sand-mining, dam building, water projects, and pollution) that have
LEKARCZYK, S. K. (2014) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/l-1699975706/lekarczyk-s-k-2014
Furthermore, ravens have been found to use highly sophisticated gestures which have
ALMASBEGY, M. & PFLEIDERER, M. (2011) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/a-1699975706/almasbegy-m-pfleiderer-m-2011
that worldwide the zoo populations of these cats, having always been quite low, have
LINN, S. (2011) – Zootier Lexikon https://www.zootier-lexikon.org/bibliographie/l-1699975706/linn-s-2011
Abstract: Male elephants have to be separated from their group at the age of 4-5