Results 21 to 30 of about 853 (184)

The velar chord and dynamic integration of the gular valve in crocodylians. [PDF]

open access: yesAnat Rec (Hoboken)
Crocodilians have a unique gular valve that forms a seal between the oral cavity and the pharynx. The gular valve has traditionally been treated as two parts: a mobile ventral flap associated with the tongue and a fixed dorsal velum palatini. This work describes a connective tissue band, the velar chord, which functionally integrates the two parts of ...
Young BA, Cramberg M, Young OG.
europepmc   +2 more sources

Crecimiento en cautiverio de Crocodylus acutus (Cuvier, 1807) en Tumbes, Perú

open access: yesRevista Peruana de Biología, 2013
Se evaluó el crecimiento en peso y longitud en 40 individuos del Cocodrilo de Tumbes en el Centro de Acuicultura La Tuna Carranza, localizado en Puerto Pizarro, Departamento de Tumbes.
Oswaldo Pérez   +1 more
doaj   +3 more sources

Percepción y conocimiento popular sobre el cocodrilo Crocodylus acutus (Reptilia:Crocodylidae) en zonas aledañas al río Tempisque, Guanacaste, Costa Rica [PDF]

open access: yesCuadernos de investigación UNED, 2012
El cocodrilo americano (Crocodylus acutus) es una especie amenazada por la pérdida de hábitat y la caza ilegal. En el río Tempisque, Costa Rica, sus poblaciones se han recuperado considerablemente pero siguen siendo vulnerables porque su nicho y hábitat ...
Valerie Valdelomar   +16 more
doaj   +3 more sources

PRIMER REGISTRO DE EPIBIONTES EN EJEMPLARES JUVENILES DE CROCODYLUS ACUTUS EN EL MEDIO SILVESTRE [PDF]

open access: yesCaldasia, 2005
Se registra por vez primera la presencia de cuatro géneros de diatomeas (Amphora, Cymbella, Navicula y Nitzschia), un alga azul-verde del género Trichodesmium y colonias de protozoarios ciliados del género Epistylis, como epibiontes de cocodrilos de río ...
CUPUL-MAGAÑA FABIO GERMÁN   +1 more
doaj   +2 more sources

A three-year mark-recapture study in a remnant population of Crocodylus acutus Cuvier in Portete Bay (Guajira, Colombia) Estudio de captura-recaptura en una población remanente de Crocodylus acutus Cuvier en Bahía Portete (Guajira, Colombia) [PDF]

open access: yesGayana, 2012
The American crocodile, Crocodylus acutus, has experienced important population declines worldwide due to human persecution, overexploitation and habitat loss. C.
Mara I Espinosa   +7 more
doaj   +1 more source

Landscape analysis for the American crocodile Crocodylus acutus (Reptilia: Crocodilidae) in northwestern Costa Rica

open access: yesRevista Mexicana de Biodiversidad, 2022
Northwest Costa Rica has the largest crocodile population in the country, but it is also an important area of the human population growth, tourism, crops, and aquaculture, that have generated great changes in the region.
Iván Sandoval-Hernández   +3 more
doaj   +2 more sources

Manejo de cocodrilos (Crocodylus acutus) en estanques de cultivo de tilapia en Cañas, Guanacaste [PDF]

open access: yesCiencias Ambientales, 2012
En la cuenca baja del Tempisque se han incrementado los avistamientos de cocodrilos (Crocodylus acutus) en cuerpos de agua naturales y artificiales. Este trabajo describe un plan implementado para operacionalizar el control de cocodrilos en estanques ...
Juan Rafael Bolaños
doaj   +3 more sources

Variation in home range size and patterns in adult female American crocodiles Crocodylus acutus

open access: yesEndangered Species Research, 2018
The American crocodile Crocodylus acutus is a threatened species that uses relatively deep, open-water habitats with low salinity. Adult female American crocodiles nest on sandy coastal beaches, islands or human-made berms, assist in the hatching process,
Kristen Hart   +2 more
exaly   +3 more sources

Serotipificación y perfil de resistencia antimicrobiana de Salmonella spp. aislados de crocodilios en cautiverio

open access: yesRevista Mvz Cordoba, 2023
Objetivo. Determinar la presencia de Salmonella spp y el PRA en aislamientos de hisopados cloacales y musculares en especímenes de Caiman crocodilus fuscus y Crocodylus acutus en cautiverio en Colombia. Materiales y métodos.
Julio César Vargas-Abella   +2 more
doaj   +1 more source

Integrating molecular, phenotypic and environmental data to elucidate patterns of crocodile hybridization in Belize [PDF]

open access: yesRoyal Society Open Science, 2015
The genus Crocodylus comprises 12 currently recognized species, many of which can be difficult to differentiate phenotypically. Interspecific hybridization among crocodiles is known to occur in captivity and has been documented between some species in ...
Evon R. Hekkala   +7 more
doaj   +1 more source

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