Cattle Egret (Bubulcus ibis)
- Personal observations and facts on habitat, nesting, and population.
- http://nzbirds.com/birds/cattleegret.html

Bubulcus ibis (Cattle Egret)
- Describes this species' range, physical traits, and natural history. Includes photos.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Bubulcus_ibis.html