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The clapper rail was formerly treated as a subspecies of the mangrove rail (Rallus longirostris). [5] The decision to treat the clapper rail as a separate species was based on the results of a molecular phylogenetic study that was published in 2013. [8] [9] [10] A cladogram based on the 2013 genetic study is as follows: [8]
Ridgway's rail then breeds (California rail subspecies) in the San Francisco Bay from mid-March through August, with peak activity in late June. [6] During this breeding season the bird density was approximately 0.1 to 0.6 individuals per acre; outside of breeding season densities decline to 0.04 to 0.40 individuals per acre. [ 10 ]
The mangrove rail was formerly considered to be conspecific with what are now the Aztec rail (R. tenuirostris), Ridgway's rail (R. obsoletus), the king rail (R. elegans), and the clapper rail (R. crepitans), and more recently as conspecific with Ridgeway's and king rails. Worldwide taxonomic systems now agree that each of the five is a separate ...
Light-footed clapper rail, California least tern: 911 Sweetwater Marsh NWR: Light-footed clapper rail: 316 Tijuana Slough NWR: Light-footed clapper rail: 1,023 Florida: Archie Carr NWR: Loggerhead sea turtle, green sea turtle: 29 Crocodile Lake NWR: American crocodile: 6,686 Crystal River NWR: West Indian manatee: 80 Florida Panther NWR ...
Red-winged wood rail: Aramides calopterus Sclater, PL & Salvin, 1878: 16 Slaty-breasted wood rail: Aramides saracura (Spix, 1825) 17 Ridgway's rail: Rallus obsoletus Ridgway, 1874: 18 Clapper rail: Rallus crepitans Gmelin, JF, 1789: 19 Aztec rail: Rallus tenuirostris Ridgway, 1874: 20 Mangrove rail: Rallus longirostris Boddaert, 1783: 21 King ...
Downtown Raleigh’s annual light art walk is back. ... Each head is nearly 10 feet tall and wide, and weighs 600 to 900 pounds. The two heads will straddle Fayetteville Street in City Plaza.
Ridgway's rail (Rallus obsoletus). Rallus is a genus of wetland birds of the rail family.Sometimes, the genera Lewinia and Gallirallus are included in it. Six of the species are found in the Americas, and the three species found in Eurasia, Africa and Madagascar are very closely related to each other, suggesting they are descended from a single invasion of a New World ancestor.
The Light Eaters, Zoë Schlanger. Journalist Zoë Schlanger reminds us of a common truth that we tend to take for granted: plants are remarkable. Behind each stage of development in their lives is ...