Trees, Plants & more
Flora, travels and the incidental critter
Sunday, December 11, 2011
Symbiosis ? Commensalism?
Cattle egrets and cattle - is the relationship symbiotic (where both the bird and the animal benefit) or is commensalism (where only the egret benefits) ?
The egret gets its food - insect, particularily grasshoppers , when the grass is disturbed by the cattle.
And the cattle ? Freed of insects that might cause disease? warned in advance of approaching animals/humans?
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