In the cattail marshes of the delta lived the Yuma clapper rail
(Rallus longirostris yumanensis), a chicken-sized bird for which the security of the cattails provided places to rest, hunt, and raise their young.
For clapper rail
, king rail and common moorhens, limit is 15 birds.
based Center for Biological Diversity, which has collected thousands of signatures, citing a threat to the endangered clapper rail
Only time will reveal the spill's impact on many Gulf-breeding species, including the Brown Pelican, American Oystercatcher, Wilson's Plover, Reddish Egret, Least Tern, Black Skimmer, Roseate Spoonbill, Clapper Rail
, Seaside Sparrow, and Mottled Duck.
Also in trouble are the North Atlantic right whale, which numbers 350-400; the Sumatran rhinoceros, which totals 250; the black rhinoceros, whose population is less than 2,500; and the California clapper rail
, which numbers only 1,000.
It's the Super Bowl of "pssshing," the World Cup of binocular-toting nerds, the Olympics of clapper rail
We documented the nesting of 15 species of non-Laridae waterbirds: Neotropic Cormorant (Phalacrocorax brasilianus), Tricolored Egret (Egretta tricolor), Snowy Egret (Egretta thula), Little Blue Heron (Egretta caerulea), Great Egret (Ardea alba), Cattle Egret (Bubulcus ibis), Black-crowned Nightheron (Nycticorax nycticorax), Yellow-crowned Night-heron (Nyctanassa violacea), Green Heron (Butorides virescens), Roseate Spoonbill (Platalea ajaja), White Ibis (Eudocimus albus), Black-bellied Whistling-duck (Dendrocygna autumnalis), Clapper Rail
(Rallus longirostris), Snowy Plover (Charadrius alexandrinus), and Black-necked Stilt (Himantopus mexicanus).
For example, students participated in electro-shocking surveys for native fish in a pristine canyon stream, conducted Yuma clapper rail
surveys in marshland habitat, conducted nocturnal ranid frog surveys and identifications, conducted northern Mexican gartersnake surveys, and collected specimens for a captive propagation and release conservation project.
The Clapper Rail
inhabits the marshland along the shore and is at risk of being disturbed after the end of of January when nesting season begins.
Soon after, local wildlife biologists noticed perilous declines in some already- rare ground-nesting birds, particularly the marsh-dwelling California clapper rail
A clapper rail
(Rallus longirostris) is the largest avian prey item reported (Grant 1970).
The reserve is home to the brown pelican, California's least tern, Belding's savannah sparrow, light-footed clapper rail
, blackrail, peregrine falcon, and other exotic birds and wildlife.