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Nestling sex ratio in a critically endangered dimorphic raptor, Ridgway's Hawk (Buteo ridgwayi)
(2013)
[English] Variation in nestling sex ratio is an important concept in population ecology, and has particular implications for the conservation status of small populations. Research on species exhibiting Reversed Sexual Size ...
Social and genetic mating system of Ridgway's hawk (Buteo ridgwayi), an endemic raptor on Hispaniola
(2013)
Patterns of social organization and mating systems have been shown to be functions of ecological factors such as resource allocation and breeding density. In some species, particularly birds, social organization and genetic ...
Petition to list the Ridgway’s Hawk (Buteo ridgwayi) under the U.S. Endangered Species Act
(2011)
WildEarth Guardians requests that the U.S. Fish and Wildlife Service (FWS) list the Ridgway’s hawk (Buteo ridgwayi) as a “threatened” or “endangered” species under the Endangered Species Act (ESA). Ridgway’s hawks survive ...
Aves playeras comunes del Caribe : ¿cuántas has visto?
(2019)
Este póster es la adición perfecta para oficinas de vida silvestre, espacios de educación pública y privada o para tener a mano en eventos como presentaciones y festivales de aves. La versión a tamaño completo se imprime ...
Solenodon genome reveals convergent evolution of venom in eulipotyphlan mammals
(2019)
Venom systems are key adaptations that have evolved throughout the tree of life and typically facilitate predation or defense. Despite venoms being model systems for studying a variety of evolutionary and physiological ...
Phylogenetic analyses of novel squamate adenovirus sequences in wild-caught Anolis lizards
(2013)
Adenovirus infection has emerged as a serious threat to the health of captive snakes and lizards (i.e., squamates), but we know relatively little about this virus' range of possible hosts, pathogenicity, modes of transmission, ...
Food habits of the endemic ashy-faced owl (Tyto glaucops) and recently arrived barn owl (T. alba) in Hispaniola
(2010)
The Ashy-faced Owl (Tyto glaucops) is endemic to Hispaniola, where the Barn Owl (T. alba) became established after ca. 1950. I examined 8322 vertebrate prey of the two species, using regurgitated pellets and prey remains ...
Diving for monkeys
(2012)
From deep in the pools of Caribbean caves, CUNY Graduate Center anthropologists retrieve the remains of a long extinct primate and other prize fossils
Hedges Lab : Evolutionary Biology
(2016)
Este portal web, desarrollado por el científico norteamericano Stephen Blair Hedges, Ph.D. (Carnell Professor and Director, Center for Biodiversity, Science Education & Research Center, Temple University, Philadelphia), ...
Plan Estratégico del Parque Zoológico Nacional 2018 / 2021
(2018)
El Parque Zoológico Nacional procura la conservación de las especies, ya sean nativas o no, y tenemos como responsabilidad, Mantener el equilibrio del ecosistema, mediante conservación, educación y protección de las especies ...