- (1991). Forshaw,
Joseph (ed.).
Encyclopaedia of Animals: Birds. London:
Merehurst Press. pp. 47–48. ISBN 1853911860.
BirdLife International (2012). "Greater...
- Lumpkin, S. (1991).
Great Cats,
Majestic Creatures of the Wild. London:
Merehurst. ISBN 9781853911897.
Wikimedia Commons has
media related to
Acinonyx jubatus...
- (1991). Forshaw,
Joseph (ed.).
Encyclopaedia of Animals: Birds. London:
Merehurst Press. pp. 186–187. ISBN 1-85391-186-0. Rafinesque,
Constantine Samuel...
- (1991). Forshaw,
Joseph (ed.).
Encyclopaedia of Animals: Birds. London:
Merehurst Press. pp. 118–124. ISBN 978-1-85391-186-6. OCLC 24733108. Tweti, Mira...
- (1991). Forshaw,
Joseph (ed.).
Encyclopaedia of Animals: Birds. London:
Merehurst Press. p. 109. ISBN 1-85391-186-0. "Antarctica's Milk-Stealing, Grudge-Holding...
- (1991). Forshaw,
Joseph (ed.).
Encyclopaedia of Animals: Birds. London:
Merehurst Press. pp. 115–116. ISBN 978-1-85391-186-6. "Species
Extinction Time Line...
- (1991). Forshaw,
Joseph (ed.).
Encyclopaedia of Animals: Birds. London:
Merehurst Press. p. 180. ISBN 1-85391-186-0. Golawski, A.; Mroz, E.; Golawska, S...
- (1991). Forshaw,
Joseph (ed.).
Encyclopaedia of Animals: Birds. London:
Merehurst Press. pp. 202–203. ISBN 1-85391-186-0.
Gosler &
Clement (2007) P.669...
- Seidensticker, J.; Lumpkin, S. & Knight, F. (eds.).
Great Cats. London:
Merehurst. pp. 92–93. Chakrabarti, S. & Jhala, Y. V. (2017). "Selfish partners:...
- (1991). Forshaw,
Joseph (ed.).
Encyclopaedia of Animals: Birds. London:
Merehurst Press. p. 136. ISBN 978-1-85391-186-6. Miller, W. DeW. (1912). "Revision...
