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In some species, the larvae are predatory themselves; the wasp eggs are deposited in clusters of eggs laid by other insects, and these are then consumed by the developing wasp larvae. [ 10 ] The largest social wasp is the Asian giant hornet , at up to 5 centimetres (2.0 in) in length. [ 11 ]
The Oregon slender salamander (Batrachoseps wrightorum) is a species of salamander in the family Plethodontidae. The Oregon slender salamander is endemic to the Northwestern United States . [ 14 ] Its natural habitat is temperate forests of moist Douglas fir, maple, and red cedar woodlands in Oregon , to 3,000 feet (910 m).
Ducks generally only have one partner at a time, although the partnership usually only lasts one year. [26] Larger species and the more sedentary species (like fast-river specialists) tend to have pair-bonds that last numerous years. [27] Most duck species breed once a year, choosing to do so in favourable conditions (spring/summer or wet seasons).
Black-bellied whistling duck: Dendrocygna autumnalis (Linnaeus, 1758) 2 Spotted whistling duck: Dendrocygna guttata Schlegel, 1866: 3 West Indian whistling duck: Dendrocygna arborea (Linnaeus, 1758) 4 Fulvous whistling duck: Dendrocygna bicolor (Vieillot, 1816) 5 Plumed whistling duck: Dendrocygna eytoni (Eyton, 1838) 6 Wandering whistling duck
This is a list of species of fauna (animals) that have been observed in the U.S. state of Oregon. This list is incomplete ; you can help by adding missing items . ( February 2011 )
Subfamily: Aythyinae, diving ducks (Some 15 species of diving ducks, of worldwide distribution, in two to four genera; The 1986 morphological analysis [10] suggested the probably extinct pink-headed duck of India, previously treated separately in Rhodonessa, should be placed in Netta, but this has been questioned. [15]
Oregon state and federal officials confirmed Wednesday that H5N1 bird flu was found in a pig living in Crook County — the first such swine infection reported in the current outbreak.
The American wigeon (Mareca americana), also known as the baldpate, is a species of dabbling duck found in North America. Formerly assigned to Anas, this species is classified with the other wigeons in the dabbling duck genus Mareca. It is the New World counterpart of the Eurasian wigeon.