HYBRIDIZATION OF A SANDWICH AND ELEGANT TERN IN CALIFORNIA

Elegant Tern (Thalasseus elegans) Science Article 2

abstract

The Sandwich Tern (Sterna sandvicensisis) a widespread breeding species on the Atlantic coasts of Europe and North America (AOU 1983, Cramp 1985) and the Caribbean (AOU 1983). On the Pacific coast it winters south to Colombia (Hilty and Brown 1986), Ecuador (Ridgely 1981), and Peru (Junge and Voous 1955, Harrison 1983). Although the Sandwich Tern is a ‘common transient and winter resident’ in Panama( Ridgely 1981), it is decidedly less common farther south. Sandwich Terns also occurs paringly in winter northward on the Pacific coast of Central America as far as Oaxaca, Mexico (Peterson and Chalif 1973, AOU 1983)

CHARLES T. COLLINS, Western Birds 28:169-173, 1997

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