Camera traps capture images of predators ofCaiman crocodilus yacareeggs (Reptilia: Crocodylia) in Brazil’s Pantanal wetlands
نویسندگان
چکیده
منابع مشابه
Gastric function in Caiman crocodilus (Crocodylia: Reptilia). II. Effects of temperature on pH and proteolysis.
-1. In Caiman crocodilus, the pH of the gastric secretions during digestion may reach 1.2 in specimens kept between 20 and 30°C. C. crocodilus feeds and digests at 15°C, but the pH of gastric secretions did not drop below 1-8. 2. The gastric secretion increased in rate and hydrochloric acid concentration after injections of histamine (400 t~g/kg body weight, given in four hourly doses). The rat...
متن کاملMisconceptions about the taxonomy and distribution of Caiman crocodilus chiapasius and C. crocodilus fuscus (Reptilia: Crocodylia: Alligatoridae)
ARMANDO H. ESCOBEDO-GALVÁN, FABIO G. CUPUL-MAGAÑA & JULIÁN A. VELASCO Laboratorio de Análisis Espaciales, Instituto de Biología, Universidad Nacional Autónoma de México, 04510 México D.F., México Centro Universitario de la Costa, Universidad de Guadalajara, Av. Universidad de Guadalajara No. 203, Delegación Ixtapa, C.P. 48280, Puerto Vallarta, Jalisco, México Corresponding author. E-mail: elcho...
متن کاملGastric function in Caiman crocodilus (Crocodylia: Reptilia). I. Rate of gastric digestion and gastric motility as a function of temperature.
-1. A cannulation method was devised that allows continuous safe gastric sampling and recording of intragastric pressure in Caiman crocodilus. 2. In C. crocodilus, fed 5 per cent of the body weight, complete gastric emptying takes an average of 99 (+_ 10) hr at 30°C, to an average of 315 (4-16) hr at 15°C. 3. Two types of gastric contractions were recorded in C. crocodilus, by means of intragas...
متن کاملGrowth of Caiman crocodilus yacare in the Brazilian Pantanal
We studied growth of the caiman, Caiman crocodilus yacare, in the Brazilian Pantanal for 27 years between 1987 and 2013.We recaptured 647 of 7769 C. c. yacare initially marked in an area of 50 km(2), in two ranches. We were able to determine size at age accurately for 24 male and17 female caimans that had been marked at hatching or less than 1 year old, and recaptured over periods of 5 to 24 ye...
متن کاملMorphometric analysis of the Rio Apaporis Caiman (Reptilia, Crocodylia, Alligatoridae).
Caiman crocodilus apaporiensis has been considered by several authors as an extreme of morphological variation within the Caiman crocodilus complex. Here, we evaluate its position in the Caiman crocodilus complex morphospace using morphological traits from head shape. We examined the holotype and seventeen paratypes of Caiman crocodilus apaporiensis Medem 1955 deposited at the Field Museum of N...
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ژورنال
عنوان ژورنال: Journal of Natural History
سال: 2014
ISSN: 0022-2933,1464-5262
DOI: 10.1080/00222933.2014.930757