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Annual cycles. Timing (phenology) of molt, migration, and breeding over the course of a year. Mallard (Anas platyrhynchos)Common Pigeon (Columba livia)White-crowned Sparrow (Zonotrichia leucophrys)European Starling (Sturnus vulgaris)Dark-eyed Junco (Junco hyemalis). Female and male Mallard at
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