
Marta G. CurtiThe Peregrine Fund
Marta G. Curti
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Publications (14)
The Ridgway’s Hawk (Buteo ridgwayi) is a Critically Endangered, diurnal bird of prey endemic to the Caribbean island of Hispaniola and some satellite islands. This hawk was once distributed in lowland habitats across the island, which includes the countries of Haiti and the Dominican Republic. However, its population has declined over the past cent...
The Ridgway’s Hawk (Buteo ridgwayi) is a Critically Endangered, diurnal bird of prey endemic to the Caribbean island of Hispaniola and some satellite islands. This hawk was once distributed in lowland habitats across the island, which includes the countries of Haiti and the Dominican Republic. However, its population has declined over the past cent...
Avian mating systems are often monogamous, although polygamy in the form of both polyandry and polygyny are regularly employed by some species and opportunistically practiced by others. Among raptors, multiple species within the genus Buteo have been documented using either polyandrous or polygynous strategies. Here, we describe the first known cas...
Ashy-faced Owl (Tyto glaucops) is a Hispaniolan endemic. Despite the fact that it is considered locally common and widespread throughout much of its range, little is known about several aspects of this species' biology, including its nesting habits. Its nest sites are described in general terms-e.g., tree cavities, caves, ledges-but no specific det...
Survival and recruitment estimates are important for predicting population viability and the efficacy of translocations. This information requires intensive monitoring postrelease, which is often economically or logistically infeasible. Since 2009, juveniles of the critically endangered Ridgway’s Hawk (Buteo ridgwayi) have been translocated from Lo...
Though the Turkey Vulture (Cathartes aura) is present year-round on Hispaniola, nesting for this species has not been documented in either Haiti or the Dominican Republic. During March to June 2011 and 2012, we located four active Turkey Vulture nests in the Dominican Republic: three in Los Haitises National Park and one on private land near the to...
DEVOLVIENDO A FALCO FEMORALIS A LOS ESTADOS UNIDOS Se liberaron volantones de Falco femoralis criados en cautiverio a lo largo de las planicies costeras del sur de Texas (839 aves de 21 sitios durante 1993–2004) y en el desierto de Chihuahua del oeste de Texas (637 aves de 11 sitios durante 2002–2011) y del sur de Nuevo México (337 aves de 10 sitio...
El águila Harpyhaliaetus solitarius es una rapaz neotropical poco conocida y escasa. Con sólo dos nidos descubiertos para esta especie, existen pocos datos sobre su biología reproductiva, hábitat de anidación, período de emplumamiento o su dispersión juvenil. Observamos a una pareja con un juvenil volantón durante un período de tres meses, desde ju...
Probably always rare and local because of its ecology and specialized habitat, the small, isolated population of the Orange-breasted Falcon (Falco deiroleucus) in Belize and Guatemala, likely numbering fewer than 40 territorial pairs, appears to be in steep decline in Belize. Territory occupancy (n = 12 eyries) in the population we studied in Beliz...
Many species of top predators are threatened, in large part, because of human destruction. Although conservation programs that include captive breeding, release, and research are vital, environmental education is just as important for the long-term survival of many wildlife species. In Panama, The Peregrine Fund developed an education program to su...
Piracy (kleptoparasitism) accounted for 14% of observed foraging attempts on vertebrates (n = 125) by Aplomado Falcons (Falco femoralis) in southern Texas and northern Mexico, and was over twice as successful as hunting (82% versus 37%). Aplomado Falcons pirated prey cooperatively as well as individually. Eight bird species were targeted for piracy...