Results 201 to 210 of about 54,355 (276)
Abstract Sex is an important driver of variation in behaviour, ecology and physiology. Sex identification in the Critically Endangered European eel (Anguilla anguilla) currently requires fish sacrifice, or the use of morphological differences such as body length, which can be inaccurate in certain habitats and at intermediate body lengths.
Michael J. Williamson +12 more
wiley +1 more source
Factors shaping giraffe behavior in U.S. zoos: A multi-institutional study to inform management. [PDF]
Wark JD, Cronin KA.
europepmc +1 more source
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro +2 more
wiley +1 more source
Monitoring Zoo Elephant Rumble Activity Using Combined Seismic and Acoustic Data. [PDF]
Limberger F +5 more
europepmc +1 more source
Abstract Although Macrourus species are the main by‐catch across Southern Ocean longline fisheries, including around South Georgia, the lack of species‐specific data has hindered effective management and ecological understanding. Aggregation of macrourids at genus level masks critical interspecific differences in life‐history strategies and ...
José Abreu +8 more
wiley +1 more source
Retrospective Analysis of the Impact of Vaccination with an Inactivated Vaccine on Toxoplasmosis-Associated Mortality in Captive Wildlife. [PDF]
Scuotto A +22 more
europepmc +1 more source
Abstract A new species of Characidium is described from a small, isolated river in the highland areas of Noel Kempff Mercado National Park, Bolivia. The new taxon can be diagnosed by the presence of a relatively broad and conspicuous dark midlateral stripe extending from the tip of snout to the base of the caudal fin, markedly darker than the vertical ...
Leonardo Oliveira‐Silva +3 more
wiley +1 more source
Epidemiological Surveillance of Intestinal Parasites and Serological Analysis of <i>Toxoplasma gondii</i> in Captive Felids From Thailand Zoos. [PDF]
Hongsrichan N +11 more
europepmc +1 more source
ABSTRACT Populations of wild brown trout (Salmo trutta) have been in long‐term decline across Central Europe, including the Czech Republic, with multiple factors, such as habitat alteration, climate change, predation and emerging diseases, implicated.
Miroslava Palíková +10 more
wiley +1 more source

