WebJun 1, 2006 · We carried out two field experiments with the green-backed firecrown hummingbird (Sephanoides sephaniodes, Trochilidae) in order to examine the ability of birds, first, to recall a nectar location, and secondly, to remember the location of the most rewarding flower among lower quality flowers. The first experiment showed that subjects … WebJul 1, 1999 · The Juan Fernandez firecrown is shown to be a close relative of the green-backed firecrown, which in turn is closely related to the High Andean hummingbird taxa such as the hillstars and metaltails.
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WebThe hotspot also has two monotypic endemic bird genera: Sephanoides, which is represented by the Critically Endangered Juan Fernández firecrown (S. fernandensis)—confined to the Juan Fernández Islands —and the green-backed firecrown (S. sephaniodes); and Sylviorthorhynchus, which is represented by the Des Murs' wiretail … WebApr 24, 2009 · The endemic Juan Fernandez firecrown Sephanoides fernandensis once inhabited both major islands and numbered many thousands. Today it exists only on Isla … the procure partnerships framework
Green-backed Firecrown - Sephanoides sephaniodes - Birds of the …
WebAnother race of Juan Fernández Firecrown once occurred on Isla Alejandro Selkirk in the same archipelago, but it went extinct there early in the 20 th century. Females of the remaining race on Isla Robinson Crusoe face competition for food and habitat from their smaller, increasing relative, the Green-backed Firecrown. The green-backed firecrown (Sephanoides sephaniodes) is a hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is found in Argentina, mainland Chile, and the Juan Fernández Islands. the procure shop