Western Cattle-Egret (Ardea ibis) lives in open savanna across Sub-Saharan Africa, Southeast Asia, North America.
Fascinating facts about the Western Cattle-Egret
- The cattle egret has undergone one of the most rapid and wide reaching natural expansions of any bird species. It was originally native to parts of southern Spain and Portugal, tropical and subtropical Africa and western Asia, but by the late 19th century it began moving into new continents.
- Young birds are known to disperse up to 5,000 km (3,100 mi) from their breeding area, allowing the species to reach far-flung locations. Such long-range movements are not limited to land; flocks have been observed crossing oceans, with records of them flying over the middle of the Atlantic. This capacity for extreme dispersal helps explain the egret's appearance on remote islands and its rapid colonisation of distant continents.
- When foraging with cattle, it has been shown to be 3.6 times more successful in capturing prey than when foraging alone. Studies have shown that cattle egret foraging success is much higher when foraging near a large animal than when feeding singly, confirming the advantage of the commensal relationship.
- By actively picking off parasites, the egret gives livestock a natural cleaning service. It follows cattle and other large grazing animals, removing ticks and flies that are disturbed by the host's movement. The insects are then consumed, providing food for the bird while reducing the parasite load on the animal. This close association has also linked the egret to the spread of tick-borne diseases among livestock.
- During the breeding season, the bird displays vivid orange-buff plumes. Adults of the western subspecies grow orange-buff feathers on the back, breast and crown, while the bill, legs and irises turn bright red for a short period just before pairing. These colour changes are brief, lasting only until the birds have formed a pair bond. The male is marginally larger and carries slightly longer breeding plumes than the female.
Sources
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At a glance
RangeSub-Saharan Africa, Southeast Asia, North America
HabitatOpen savanna
DietInsects and frogs
About the Western Cattle-Egret
As the sun rises over the dewy grasslands, the Western Cattle-Egret emerges, a vision of elegance with its snowy plumage and golden crown, its slender legs moving with deliberate purpose as it stalks its prey. With an air of quiet confidence, it weaves through the cattle's gentle lowing, its sharp eyes scanning the terrain for the slightest movement, its presence a testament to the ancient symbiosis between bird and beast. In this tranquil tableau, the Western Cattle-Egret reigns supreme, a master of stealth and patience, its very existence a reminder of the beauty and wonder that thrives in the unlikeliest of places.
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