Ratchet pointing, Dip-shaking Western Grebes

Two behaviors indicative of pair bonds between mated pairs of Western (or Clark’s) Grebes are “Ratchet pointing” and “Dip-shaking”. The behaviors are often alternated, one after the other. I photographed both of them as they were performed by a pair of Western Grebes three days ago at Bear River Migratory Bird Refuge.

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