Foraging ecology of black-crowned night-herons (Nycticorax nycticorax
) in the New York City area.
Contribution a l'etude de quatre especes de herons (Egretta garzetta L., Ardeola ralloides Scop., Ardeola ibis L., Nycticorax nycticorax
L.) pendant leur nidification en Camargue.
Swimming feeding by the night heron, Nycticorax nycticorax
In 2001 and 2002, eight and two pairs of Black-Crowned Night Herons (Nycticorax nycticorax
) were found, respectively, in the Tama Zoological Park Grey Heron colony.
It is augmented by a number of marsh and wetland birds, most notable were Porzana carolina (Sora) and Nycticorax nycticorax
(Black-crowned Night Heron).
Reproducao de Nycticorax nycticorax
(Linnaeus) no litoral de Santa Catarina, Brasil.
0.45 U Anas strepera Gadwall WR 0.14 R Anas discors Blue-winged Teal T 0.24 U Anas cyanoptera Cinnamon Teal T Anas crecca Green-winged Teal T Phalacrovorax auritus Double-crested T Cormorant Egretta tricolor Tricolored Heron O 0.02 R Nycticorax nycticorax
Black-crowned Night-Heron WR 0.10 R Plegudix chihi # White-faced Ibis T Myaeria americana *#+ Wood Stork O Circus cyaneus Northern Harrier O Accipiter striatus * Sharp-shinned Hawk WR 0.07 R Accipiter cooperii * Cooper's Hawk WR 0.07 R Buteo albicattdatus *# White-tailed Hawk O 0.02 R Falco sparverius American Kestrel T 0.03 R Faico cohuvbarius Merlin WR?
Gray herons (Ardea cinerea), spoonbills (Platalea leucorodia), night herons (Nycticorax nycticorax
), squacco herons (Ardeola ralloides), cattle egrets (Bubulcus ibis) and little egrets (Egretta garzetta) are the typical residents of the pajareras or nesting colonies in the tops of cork oaks.
In this study only egg predators were quantitatively assessed, although hatchlings en route to the ocean were also consumed by predators, such as raccoons, ghost crabs, and night herons, Nyctanassa violacea and Nycticorax nycticorax
. Once hatchlings reach the ocean, avian predators feeding at sea may consume them and transport those nutrients back to the terrestrial system (Witherington and Salmon, 1992).
Of Borneo's 17 mangrove species, the following nine were found in DSNP: Oriental Darter Anhinga melanogaster Great-billed Heron Ardea sumatrana Striated Heron Butorides striatus Black-crowned Night-heron Nycticorax nycticorax
Lesser Adjutant Leptoptilos javanicus Brahminy Kite Haliastur indus Brown-capped woodpecker Dendropos moluccensis Greater Goldenback Chrysocolaptes lucidus Mangrove Whistler Pachycephala grisola
The loss of these islands to gulls or erosion forced roseate terns to nest at sites either on or close to the mainland, where they are more vulnerable to human disturbance and to predators such as great horned owls (Bubo virginianus), black-crowned night-herons (Nycticorax nycticorax
), weasels (Mustela frenata), racoons (Procyon lotor), rats (Rattus norvegicus), and red foxes (Vulpes vulpes).
(Acanthocephala: Polymorphidae) from the heron Nycticorax nycticorax
The only reference concerns the night heron (Nycticorax nycticorax
) in the River Po region (Italy) which consumes an important proportion of harvest mice among a small number of mammals ingested: 4 Micromys for a total of 16 mammals (Fasola et al.