Relocation of a large black-crowned night heron
colony in southern California.
The Breeding Biology of the Cattle Egret Ardea ibis, the Little Egret Egretta garzette, the Squacco Heron Ardeola ralloides, the Black-Crowned Night Heron
Nycticorax nycticorax, the Purple Heron Ardea purpurea and the Glossy Ibis Plegadis falcinellus, at the Lake Tonga, Algeria.
Simmons said ducks, mergansers, black-crowned night heron
, great-blue heron and osprey are the primary predators at the Sandwich hatchery while ducks, gulls and great blue herons are the primary culprits at McLaughlin.
The species seen most reliably and in greatest numbers were Black-crowned Night Heron
The agency has also gunned down the brown-headed cowbird, boat-tailed grackle, common raven, American crow, fish crow and waterfowl and wading birds that relish the coastal wetlands neighboring Kennedy, such as the wood duck, bufflehead, American wigeon, semipalmated plover, sanderling, least sandpiper, black-crowned night heron
, great egret and cattle egret, according to Port Authority records.
1997: Comparative nest site selection and breeding success in 2 sympatric Ardieds, black-crowned night heron
Nycticorax nycticorax and little egret Egretta garzetta in the Axios delta, Mecidonia, Greece.
On the contrary, few other species such as black-crowned night heron
(Nycticorax nycticorax), purple heron (Ardea purpurea), kentish plover (Charadrius alexandrinus), common sandpiper (Actitis hypoleucos) and gull-billed tern (Sterna nilotica) recorded during present study were not reported previously by Ali (2007).
Hancock and Kushlan (1984) report that the Goliath Heron (Ardea goliath Cretzschmar, 1827), Black Heron (Egretta ardesiaca Wagler, 1827), Tricolored Heron (Egretta tricolor Statius Muller, 1776), and Black-crowned Night Heron
(Nycticorax nycticorax Linnaeus, 1758) also exhibit feeding territoriality.
There was significant damage reported on June 7, when a black-crowned night heron
flew into the engine of Boeing 747-400 operated by Polar Air Cargo, officials said.
The black-crowned night heron
(12 birds) was unusual for this area, as was the black phoebe.
argentatus), Black-crowned Night Heron
(Nycticorax nycticorax), Sandhill Crane (Grus canadensis), Guanay Cormorant (Phalacrocorax bougainvillea), Blyth's Tragopan (Tragopan blythi), Bald Eagle (Haliaeetus leucocephalus), American Kestrel (Falco sparverius), Broad-winged Hawk (Buteo platypterus), Cooper's Hawk (Accipiter cooperii), Merlin (Falco columbarius), and American Robin (Turdus migratorius).
According to Daphne Hatch, the park's wildlife biologist, in 1998 Alcatraz provided sanctuary for about 240 Black-Crowned Night Heron
and 15 Snowy Egret nests (up from just three the previous year).