Les was later surprised to see a
black-crowned night heron on the Rideau River in downtown Ottawa.
IN FLIGHT This gorgeous
black-crowned night heron (Nycticorax nycticorax) soared near our group (Gregg Yan/Best Alternatives)
The most dominant species were house crow, Corvus splendens (n=2518), house sparrow, Passer domesticus (n=772), common myna, Acridotheres tristis (n=327),
black-crowned night heron, Nycticorax nycticorax (n=190) and jungle babbler, Turdoides striatus (n=186).
Species Date Cover type Wetland class
Black-crowned night heron 27 April 2013 none 4
Black-crowned night heron 14 May 2014 none 4 Blue-winged teal 10 May 2014 none 3
Black-crowned night heron 22 May 2014 none 4 Blue-winged teal 21 May 2014 none 4 Painted turtle 22 April 2014 1 X 1 3 Painted turtle 21 April 2014 6 X 6 3 Species Mortality Study area
Black-crowned night heron yes Tewaukon
Black-crowned night heron yes Chase Lake Blue-winged teal yes Chase Lake
Black-crowned night heron yes Devils Lake Blue-winged teal yes Devils Lake Painted turtle no (released) Tewaukon Painted turtle no (released) Tewaukon Table 3.
Relocation of a large
black-crowned night heron colony in southern California.
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.
Black-crowned Night Heron was the first species to arrive on any night, and the most persistent in remaining.
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.
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.
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).
black-crowned night heron - night heron of both Old and New Worlds