Jiménez, Iván; Cadena, Carlos Daniel(Ornitología Colombiana, 2004)
Hace algunos meses se suscitó un debate muy interesante entre los usuarios de la lista de discusión de la Red Nacional de
Observadores de Aves de Colombia (RNOA). La chispa que encendió la mecha fue un mensaje de un usuario ...
Tosi, Joseph A. Jr.; Watson, Vicente; Echeverría, Jaime(1992-06)
In the context of present-day scientific concern with predicted climatic
changes resulting from the current untoward generation and release of CO2 and
other "greenhouse" gases, the Department of Environmental Sciences ...
Janzen, Daniel H.; Clarence, A. Ryan; Liener, Irvin E.; Pearce, G.(1985-10-15)
A survey of 59 species of tropical legume seeds revealed high
interspecific variation in pTOlcinaccous capacity to inhibit bovine trypsin (a
digesli"e enzyme) and 10 agglutinate human (type B. Rh positive) and laoorawry
rabbit ...
Valerio, Alejandro A.; Rodriguez, Josephine J.; Whitfield, James B.; Janzen, Daniel H.(2005)
Prasmodon zlotnicki, a new Costa Rican species of the genus Prasmodon Nixon, is described and
illustrated. In addition, the first host records for the genus are included along with an updated key
to differentiate Prasmodon ...
Solórzano, Alejandro; Greene, Harry W.(Research Journal of the Costa Rican Distance Education University (UNED Research Journal), 2012-06)
Sonorini snakes are arthropod specialists but we know of only one published diet record for Stenorrhina freminvillei. Here we present quantitative data for predation on scorpions in nature by S. freminvillei: in nature, ...
This study documents the predation of olive ridley sea turtle {Lepicochelys ohvaceu) nests on Playa Nancite, Guanacaste Conservation Area, Costa Rica Data were collected between February 27 and April 24 Predator frequency ...
Céspedes, Jeyson; Astorga, Juan De Dios; Sánchez, Josué; Obando, Juan(2018-11-14)
The Mexican burrowing toad Rhinophrynus dorsalis (Duméril and Bibron, 1841) is a widely distributed species with a range that spans from southern Texas to the northwest of Costa Rica (Savage, 2002; Köhler, 2011; Leenders, ...
White-faced capuchin monkeys were frequently observed to raid the nests and predate the pups of coatis at two study sites (Santa Rosa National Park and Lomas Barbudal Biological Reserve) in northwestern Costa Rica. Adult ...
Weislo, William T.; Schatz, Bertrand(Behavioral Ecology and Sociobiology, 2003-02)
Ectatomma ruidum is an abundant soil-nesting
Neotropical ant, which displays extensive behavioral
flexibility during foraging activities. We studied here one
unusual element of their behavioral repertoire: ambush
predation. ...
Conventional ecological theory predicts that predators affect nutrient cycling by decreasing the abundance or activity of prey. By using a predator-detritivore-detritus food chain in bromeliads, we show that predators can ...
As is customary for symposia with many
contributors (27 with 19 papers), the Proceedings
of the 1965 symposium on the
Biology of the California Islands has only
now been published. "The symposium was
the natural ...
Shang, Luping; Brooks, Daniel R.; Causey, Douglas(Journal of Parasitology, 2004-04)
Four species of Procyrnea were collected in birds from the Area de Conservacion Guanacaste, Costa Rica. Procyrnea brevicaudata n. sp. in Crypturellus cinnamomeus resembles P. ficheuri, P. murrayi, P. ameerae, P. dollfusi, ...
In a Nigerian rain forest, occupation of Barteria fistulosa saplings by Pachysima
aethiops ants results in the plants having more leaves, more branches, more leaves per branch,
and less damage to the shoot tips than do ...
Jordal, Bjarte H.; Kirkendall, Lawrence R.(ZooKeys, 2019-07-11)
Quantitative collecting efforts over the last several decades in Costa Rica have resulted in many new species of insects. The Arthropods of La Selva projects included collecting from a typical lowland Neotropical forest ...
A plan to restore animals that disappeared 13,000 years ago from Pleistocene North America offers an alternative conservation strategy for the twenty-first century, argue Josh Donlan and colleagues.
Entre agosto de 1981 y diciembre de 1987 se marcaron 5176 tortugas negras (Chelonia agassizti) en las playas de Colola y Maruata, Michoacán, México. Estas dos playas, ubicadas en la Costa Oeste de México representan el ...
Capítulo 1. Diversidad y distribución de elasmobranquios asociados a la pesca de arrastre de camarón del Pacífico de Costa Rica, Centroamérica. Los elasmobranquios forman parte de la fauna acompañante de la pesca de camarón ...
Horses are major contemporary dispersers of guanacaste tree seeds (Enterolobium
cyclocarpum) in Costa Rica, and probably were in prehistoric times as well. By placing 2-L and 8-L
piles of fresh horse dung containing 5, ...