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Systemic revision of the Phorusrhacidae (Aves: Ralliformes)
Foram estudados os fosseis de aves atribuidos a familia Phorusrhacidae depositados em diversos museus da America do Sul, da America do Norte e da Europa, com o objetivo principal de caracterizar estaExpand
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Osteology of the Shoulder Girdle in the Piciformes, Passeriformes and Related Groups of Birds
Abstract A comparative study of the bones of the shoulder girdle in the Piciformes, Passeriformes and Coraciiformes, and also in related orders of birds such as the Trogoniformes, Coliiformes,Expand
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Molecular phylogenetics and biogeography of Neotropical piping guans (Aves: Galliformes): Pipile Bonaparte, 1856 is synonym of Aburria Reichenbach, 1853.
The Cracidae are Neotropical galliform birds with 11 genera currently recognized. To investigate the questioned validity of Pipile Bonaparte, 1856 and the monotypic Aburria Reichenbach, 1853 asExpand
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The legs: a key to bird evolutionary success
Birds are the most diverse and largest group of extant tetrapods. They show marked variability, yet much of this variation is superficial and due to feather and bill color and shape. Under theExpand
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Overestimation of vocal characters in Suboscine taxonomy (Aves: Passeriformes: Tyranni): causes and implications
The difference in treatment of vocal features in Oscines and Suboscines passerine birds characterizes a large portion of the current studies on their taxonomy. In the former taxon, vocalization isExpand
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Scale architecture of the palmar and plantar epidermis of Polychrus acutirostris Spix, 1825 (Iguania, Polychrotidae) and its relationship to arboreal locomotion
In tetrapod squamates, the diversity of micro-ornamentations of the epidermis of the contact areas of hands and feet is generally associated with constraints and modalities related to locomotion.Expand
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Description of a New Species of Pionopsitta (Aves: Psittacidae) Endemic to Brazil
Abstract A new species from Brazil—Pionopsitta aurantiocephala—is described, which is easily distinguished from the other species of that genus by its completely bare, intensely orange colored head.Expand
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High frequency of pauses during intermittent locomotion of small South American gymnophthalmid lizards (Squamata, Gymnophthalmidae)
We studied the locomotor behavior of two closely-related species of Gymnophthalmini lizards, Vanzosaura rubricauda and Procellosaurinus tetradactylus, that was imaged under laboratory conditions at aExpand
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