The Hawaiian duck (Anas wyvilliana) or koloa is a species of bird in the family Anatidae that is endemic to the large islands of Hawaiʻi. Taxonomically, the koloa is closely allied with the mallard (A. platyrhynchos). It differs in that it is monochromatic (with similarly marked males and females) and non-migratory. As … See more Appearance Both male and female are mottled brown in color and resemble a female mallard. The males are usually bigger than the females. The speculum feathers of both sexes are green to … See more Some pairs nest year-round, but the primary breeding season is from December to May, during which pairs often engage in spectacular nuptial flights. The clutch size is … See more Wildlife refuges including Hanalei National Wildlife Refuge on Kaua'i are essential breeding areas for Hawaiian Ducks (Todd 1996) The species … See more 1. ^ BirdLife International (2024). "Anas wyvilliana". IUCN Red List of Threatened Species. 2024: e.T22680199A112386802. doi:10.2305/IUCN.UK.2024-1.RLTS.T22680199A112386802.en. Retrieved 12 November 2024. 2. ^ BROWNE, R. A., … See more The Hawaiian duck is a very wary bird, often found in pairs instead of large groups. The koloa is most prominently found residing in the tall, wetland grasses and streams near the Kohala volcano on the main island of Hawai’i (Reed et al. 2012). They are … See more The former range of the Hawaiian duck included all of the main Hawaiian islands except the islands of Lānaʻi and Kauaʻi. Hawaiian ducks were found on the hottest coasts with suitable … See more The Hawaiian duck's population is affected by habitat loss, modifications to wetland habitats for flood control, non-native invasive plants, … See more WebMuscovy Ducks are a breed of duck also known by their scientific name, Cairina moschat, and their secondary name, the Barbary Drake. ... Hawaii, New Zealand, and very small and warm parts of Europe, the Muscovy Duck is not common in or native to Russia at all. Muscovy Ducks are considered tropical birds and do very well in hot and humid ...
Mallard (Anas platyrhynchos) U.S. Fish & Wildlife Service - FWS.gov
WebThe Muscovy duck (Cairina moschata) is a large duck native to the Americas, from the Rio Grande Valley of Texas and Mexico south to Argentina and Uruguay.Small wild and feral breeding populations have … WebHawaiian Duck. Scientific Name Anas wyvilliana. Photo Taken At Sylvan Heights Bird Park, Scotland Neck, North Carolina, USA. IUCN Red List Status Endangered. Population. The species's population is estimated to number c.2,200 individuals (K. Uyehara, A. Marshall and A. Engilis Jr. in litt. 2007), roughly equivalent to 1,500 mature individuals. ... tires-sheriff willnet ad jp
Muscovy duck - Wikipedia
WebThe Hawaiian duck ( Anas wyvilliana ) or koloa is a species of bird in the family Anatidae that is endemic to the large islands of Hawaiʻi. Taxonomically, the koloa is closely allied … WebFeb 15, 2024 · Hawaiian Duck Final MCBH INRMP Update (2024-2024) August 2024 C2-23 COMMON NAME: Hawaiian Duck HAWAIIAN NAME: Koloa SCIENTIFIC NAME: … WebHawaiian hoary bat is an endangered endemic mammal found in the Hawaiian archipelago. Listed as a subspecies of the hoary bat (Lasiurus cinereus), this species is distributed … tires-n-more dewitt ia