Category: Ciconiiformes

Cattle Egret Bubulcus ibis habitat use andassociation with cattle

Cattle Egret (Bubulcus ibis) Science Article 5 abstract Cattle Egret Bubulcus ibis has a worldwide distribution. In India it is common in a variety of habitats, especially wetlands, throughout the peninsula. Freshwater marshes and paddy fields were identified as the most important foraging habitats by Meyerricks (1962) and Seedikkoya (2004), although there are pronounced seasonal […]

Naturally occurring secondary nutritional hyperparathyroidism in cattle egrets (bubulcus ibis) from central texas

Cattle Egret (Bubulcus ibis) Science Article 4 abstract Naturally occurring secondary nutritional hyperparathyroidism is described in the nestlings of two colonies of cattle egrets (Bubulcus ibis) from Central Texas (Bryan and San Antonio, Texas, USA). Nestlings from a third colony (Waco, Texas, USA) were collected in a subsequent year for comparison. Birds from the first […]

Extramarital and pair copulations in the Cattle Egret

Cattle Egret (Bubulcus ibis) Science Article 1 abstract The copulatory behavior of the Cattle Egret (Bubulcus ibis) was observed in a heronry in central Japan. In 38 of 147 extramarital copulation (EC) attempts with seven females, the males seemed to succeed in ejaculation. There were relatively few complete ECs prior to egg laying, because females […]

Cattle egrets bubulcus ibis at sea in the south atlantic ocean

Cattle Egret (Bubulcus ibis) Science Article 2 abstract While aboard the icebreaker Almirante Irizar, 12 Cattle EgretsBubulcus ibis were observed in the South Atlantic Ocean. Twowere seen on 8 March 1995 at 58 deg 31’S, 52 deg 11’W flying northwestabout 160 miles from the Argentine coast. On 12 March1995, a flock of nine individuals were […]

Role of sibling aggression in food distribution to nestling cattle egrets (bubulcus ibis)

Cattle Egret (Bubulcus ibis) Science Article 9 abstract Sibling aggression occurs in a wide variety of asynchronously hatching bird species. In some, fights among siblings lead inevitably to death, in which case the benefits of winning are clear. In species where sibling aggression is common but usually not fatal,the benefits gained by winning and the […]

Predation on the Cattle Egret (Bubulcus ibis) and consumption of theCampo Flicker (Colaptes campestris) by the Aplomado Falcon (Falcofemoralis) in Brazil

Cattle Egret (Bubulcus ibis) Science Article 8 abstract The Aplomado Falcon (Falco femoralis) has a wide distribution ranging from south-east USA to Tierra del Fuego (Ferguson- Lees and Christie 2001). This small raptor (208 – 460 g) inhabits mostly non-forested habitats, such as savannah grassland, scrub steppe, cactus desert, marshland with scattered trees, and sometimes […]

Notes on the foraging behavior of the Zigzag Heron.

Zigzag Heron (Zebrilus undulatus) Science Article 4 abstract The only recent field observations reported for the poorly known Zigzag Heron (Zebrilus undulutus) (Hancock and Kushlan, Herons Handbook, Croom Helm, London, 1984) are those of Davis et al. (Condor 82:460-46 1, 198 1). Here we report on a bird watched intermittently by NJCM for about 13 […]

Observations of the behavior of the zigzag heron

Zigzag Heron (Zebrilus undulatus) Science Article 5 abstract Reliable sight records of’the Zigzag Heron (Zebrilus undulatus) are said to be virtually nonexistent, and nothing has been recorded of the feeding, breeding or other habits of this species (Hancock and Elliot 1978). We therefore present our observations of an individual of this species and summarize several […]