DIAGNOSES OF HYBRID HUMMINGBIRDS (AVES, TROCHILIDAE) - 6 - AN INTERGENERIC HYBRID, AGLAIOCERCUS-KINGI X METALLURA-TYRIANTHINA, FROM VENEZUELA

Authors
GRAVES GR
Citation
Gr. Graves, DIAGNOSES OF HYBRID HUMMINGBIRDS (AVES, TROCHILIDAE) - 6 - AN INTERGENERIC HYBRID, AGLAIOCERCUS-KINGI X METALLURA-TYRIANTHINA, FROM VENEZUELA, Proceedings of the Biological Society of Washington, 111(3), 1998, pp. 511-520
Citations number
35
Categorie Soggetti
Biology
Journal title
Proceedings of the Biological Society of Washington → ACNP
ISSN journal
0006324X
Volume
111
Issue
3
Year of publication
1998
Pages
511 - 520
Database
ISI
SICI code
0006-324X(1998)111:3<511:DOHH(T>2.0.ZU;2-G
Abstract
An intergeneric hybrid hummingbird, Aglaiocercus kingi x Metallura tyr ianthina, is described. External measurements of the hybrid are interm ediate of those of the parental species. Back plumage iridescence is b luer (511 nm) in the hybrid than in either of the parental species (55 3-571 nm). This color shift is thought to be caused by a developmental aberrancy or mutation which affects melanin granules that produce iri descence in feather keratins.