Results 71 to 80 of about 916 (171)

Host species and age‐specific variation on Hepatozoon prevalence and its effect on body condition in two Neotropical crocodiles

open access: yesWildlife Biology, Volume 2025, Issue 5, September 2025.
Many populations of species belonging to the order Crocodilia are threatened due to illegal trafficking, indiscriminate hunting, and habitat loss and degradation affecting crocodilian health and parasitic load. Although several studies have revealed that crocodiles, caimans, and alligators are frequently infected by Hepatozoon spp., the results from ...
Alfonso Marzal   +13 more
wiley   +1 more source

Histological and immunohistochemical study of the thyroid gland of the broad-snouted caiman (Caiman latirostris) - doi: 10.4025/actascibiolsci.v35i4.18444

open access: yesActa Scientiarum: Biological Sciences, 2013
The broad-snouted caiman, Caiman latirostris, is widely distributed in countries of South America. In Brazil it is considered an endangered species because of natural habitat destruction and illegal hunting.
Clarice Machado-Santos   +3 more
doaj   +1 more source

In vitro evaluation of synergistic activity between ciprofloxacin and broad snouted caiman serum against Escherichia coli [PDF]

open access: yes, 2015
The in vitro synergistic activity between ciprofloxacin and serum of broad snouted caiman on Escherichia coli was studied. The estimated MIC value of ciprofloxacin was 0.0188 Μg/ml, and two assays of kill curve during 5 hours were performed: the first ...
Formentini, Enrique Antonio   +3 more
core   +1 more source

Osteohistological signal from the smallest known phytosaur femur reveals slow growth and new insights into the evolution of growth in Archosauria

open access: yesJournal of Anatomy, Volume 247, Issue 3-4, Page 556-575, September/October 2025.
The paucity of small, skeletally immature individuals representing the earliest ontogenetic stages of extinct archosaurs complicates our understanding of the growth dynamics within and between species. The opportune finding of the smallest phytosaur femora reveals slow growth, a surprising signal considering that larger phytosaurs in North America have
Erika R. Goldsmith   +6 more
wiley   +1 more source

Camera-traps detect the maned wolf preying on broad-snouted caiman eggs

open access: yesGlobal Ecology and Conservation
The maned wolf (Chrysocyon brachyurus) is a South-American canid of which conservation guidelines have been implemented due to its population vulnerability.
Sofía E. Pierini   +5 more
doaj   +1 more source

A Taxa de conversão do alimento (FCR) do Caiman latirostris é mais eficiente a temperaturas mais elevadas [PDF]

open access: yes, 2009
The effects of temperature on the growth of Caiman latirostris were investigated in order to evaluate the efficiency of food conversion at 29 and 33°C. Sixty-eight captive raised animals, two months old, taken from four nests, were used.
Larriera, Alejandro   +2 more
core  

Evolution of growth strategy in alligators and caimans informed by osteohistology of the late Eocene early‐diverging alligatoroid crocodylian Diplocynodon hantoniensis

open access: yesJournal of Anatomy, Volume 247, Issue 1, Page 165-178, July 2025.
Living alligatoroids (alligators and caimans) share osteohistological features and display similar overall growth rates. However, it is unclear if these shared patterns are the result of convergent responses or reflect an ancestral condition. In this study, we histologically sampled nine femora of the fossil alligatoroid Diplocynodon hantoniensis to ...
D. K. Hoffman   +5 more
wiley   +1 more source

“Are there caimans here?” Influence of multiple drivers on local ecological knowledge about an apex predator

open access: yesFrontiers in Amphibian and Reptile Science
IntroductionLocal Ecological Knowledge (LEK) regarding apex predators, such as crocodilians, is crucial for understanding human–wildlife dynamics and supporting conservation strategies.
Rafael Sá Leitão Barboza   +6 more
doaj   +1 more source

A new Crocodyloidea from the middle Eocene of Zamora (Duero Basin, Spain)

open access: yesThe Anatomical Record, Volume 308, Issue 6, Page 1692-1706, June 2025.
Abstract The eusuchian crocodyliforms recorded in the Eocene levels of the Spanish Duero Basin belong to three lineages: Planocraniidae, with the species Duerosuchus piscator; Alligatoroidea, represented by several specimens of the genus Diplocynodon; and Crocodyloidea, which includes several specimens traditionally attributed to Asiatosuchus.
Iván Narváez   +5 more
wiley   +1 more source

Biologia reprodutiva de jacaré-do-papo-amarelo no rio Paraná, Brasil. [PDF]

open access: yes, 2013
O jacaré-do-papo-amarelo, Caiman latirostris, tem ampla distribuição geográfica em países da América do Sul - Bolívia, Paraguai, Brasil, Argentina e Uruguai. (Medem, 1983).
CAMPOS, Z. M. da S., MOURÃO, G. de M.
core  

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