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Documents disponibles écrits par cet auteur (6)
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Article
Philip S. Queller, Auteur ; Troy G. Murphy, Auteur
Article
Troy G. Murphy, Auteur ; Vanya G. Rohwer, Auteur ; Edwin Scholes, AuteurMotmots, with their distinctive racketed-tails, represent one of the most easily recognized tropical birds, yet little is known about the basic natural history of most species in the family Momotidae. We report basic breeding biology and longevi[...]
Article
Keith A. Tarvin, Auteur ; Troy G. Murphy, Auteur
Article
Troy G. Murphy, AuteurThe racket-tipped tail of the motmots is uniquely shaped and its formation has attracted much attention. Barbs that grow along the wire of the motmot's two central tail feathers are weakly attached and shed soon after development. The cause of t[...]
Article
Malcolm F. Rosenthal, Auteur ; Troy G. Murphy, Auteur ; Nancy Darling, Auteur ; Keith A. Tarvin, AuteurOrnamental bill color is postulated to function as a condition-dependent signal of individual quality in a variety of taxonomically distant bird families. Most red, orange, and yellow bill colors are derived from carotenoid pigments, and caroten[...]
Article
Troy G. Murphy, AuteurGraduated avian tails with short outer tail feathers and longer central tail feathers are thought to handicap aerodynamic function. The Turquoise-browed Motmot (Eumomota superciliosa) has a highly graduated tail with a long racket-tip that may i[...]
