Results 1 to 10 of about 1,925 (182)

Genetic Characterization of Caiman crocodilus (Crocodilia: Alligatoridae) on Gorgona Island, Colombia [PDF]

Biology
This study examines the genetic variation and structure of the spectacled caiman (Caiman crocodilus) on Gorgona Island, Colombia, compared to continental populations.
Natalia Londoño, Raúl Ernesto Sedano-Cruz, Alan Giraldo   +2 more
doaj   +4 more sources

Geographic distribution and conservation status of Caiman latirostris (Crocodylia, Alligatoridae) in Uruguay [PDF]

Phyllomedusa: Journal of Herpetology, 2006
Populations of Caiman latirostris are known to occur in Uruguay but their geographic distribution remains uncertain. This work presents anupdate of the species distribution and conservation status in Uruguay.
Claudio Borteiro, Carlos Prigioni, José Eduardo García, Marcelo Tedros, Francisco Gutiérrez, Francisco Kolenc   +5 more
doaj   +7 more sources

Evaluation of factors associated with predation on Caiman latirostris nests (Crocodylia: Alligatoridae) in Argentina [PDF]

Phyllomedusa: Journal of Herpetology, 2016
Predation is a major cause of crocodilian egg loss. However, at present, the mechanisms by which predators detect nests is unknown. Previous studies have reported that predators are able to detect prey using both visual and olfactory cues.
Melina Soledad Simoncini, María Virginia Parachú Marcó, Thiago Costa Gonçalves Portelinha, Carlos Ignacio Piña   +3 more
doaj   +7 more sources

Presence of Leptospira spp. in Caiman latirostris (Crocodylia, Alligatoridae) populations in Santa Fe, Argentina [PDF]

Heliyon, 2020
Leptospirosis is a disease caused by pathogenic spirochetes of the genus Leptospira, transmitted by wild and domestic animals. Rodents play a fundamental role in the transmission cycle of this zoonosis but the function of reptiles is unknown. For example,
Jazmín Bauso, Melina S. Simoncini, Yosena Chiani, María F. Schmeling, Alejandro Larriera, Norma B. Vanasco, Carlos I. Piña   +6 more
doaj   +6 more sources

Revisiting the Karyotypes of Alligators and Caimans (Crocodylia, Alligatoridae) after a Half-Century Delay: Bridging the Gap in the Chromosomal Evolution of Reptiles [PDF]

Cells, 2021
Although crocodilians have attracted enormous attention in other research fields, from the cytogenetic point of view, this group remains understudied.
Vanessa C. S. Oliveira, Marie Altmanová, Patrik F. Viana, Tariq Ezaz, Luiz A. C. Bertollo, Petr Ráb, Thomas Liehr, Ahmed Al-Rikabi, Eliana Feldberg, Terumi Hatanaka, Sebastian Scholz, Alexander Meurer, Marcelo de Bello Cioffi   +12 more
doaj   +2 more sources

Structure and evolution of the embryonic cartilaginous skull of crocodilians [PDF]

Royal Society Open Science
The evolution of skull diversity in Crocodylia is rather well documented, but the developmental foundation of their cranial architecture remains poorly understood. Here, we present the first three-dimensional reconstruction of the embryonic cartilaginous
María Victoria Fernandez Blanco, Ingmar Werneburg   +1 more
doaj   +2 more sources

An extinct deep-snouted Alligator species from the Quaternary of Thailand and comments on the evolution of crushing dentition in alligatorids [PDF]

Scientific Reports, 2023
Fossil Alligator remains from Asia are critical for tracing the enigmatic evolutionary origin of the Chinese alligator, Alligator sinensis, the only living representative of Alligatoridae outside the New World. The Asian fossil record is extremely scarce
Gustavo Darlim, Kantapon Suraprasit, Yaowalak Chaimanee, Pannipa Tian, Chotima Yamee, Mana Rugbumrung, Adulwit Kaweera, Márton Rabi   +7 more
doaj   +2 more sources

Morphological and molecular characterization of Brevimulticaecum sinensis sp. nov. (Nematoda: Ascaridoidea) from Alligator sinensis (Crocodilian: Alligatoridae) [PDF]

International Journal for Parasitology: Parasites and Wildlife
Brevimulticaecum sinensis sp. nov. is a novel species belonging to the genus Brevimulticaecum (Nematoda: Heterocheilidae). It was detected in the stomach of a carcass of a Chinese alligator (Alligator sinensis Fauvel, 1879; Crocodilian: Alligatoridae) at
Jinhong Zhao, Tellez Marisa, Yujun Shuai, Genjun Tu, Yongkang Zhou, Pingsi Yi, Zengxiang Xu, Armand Kuris, Xiaobing Wu   +8 more
doaj   +2 more sources

Agricultural input modifies trophic niche and basal energy source of a top predator across human-modified landscapes [PDF]

Frontiers in Ecology and Evolution, 2023
Land-use conversion and resulting habitat fragmentation can affect the source(s) of primary productivity that fuels food webs and alter their structure in ways that leads to biodiversity loss. We investigated the effects of landscape modification on food
André C. Pereira, André C. Pereira, Christy J. Mancuso, Seth D. Newsome, Gabriela B. Nardoto, Guarino R. Colli   +5 more
doaj   +2 more sources

Evolution of ancient satellite DNAs in extant alligators and caimans (Crocodylia, Reptilia) [PDF]

BMC Biology
Background Crocodilians are one of the oldest extant vertebrate lineages, exhibiting a combination of evolutionary success and morphological resilience that has persisted throughout the history of life on Earth.
Vanessa C. Sales-Oliveira, Rodrigo Zeni dos Santos, Caio Augusto Gomes Goes, Rodrigo Milan Calegari, Manuel A. Garrido-Ramos, Marie Altmanová, Tariq Ezaz, Thomas Liehr, Fabio Porto-Foresti, Ricardo Utsunomia, Marcelo B. Cioffi   +10 more
doaj   +2 more sources