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Cordylanthus nevinii is a species of flowering plant in the family Orobanchaceae known by the common name Nevin's bird's beak. It is native to pine and oak forests and woodlands in southern California, western Arizona, and northern Baja California. It is a red-tinted gray-green annual herb reaching 80 centimeters in maximum height.
External anatomy of a typical bird: 1 Beak, 2 Head, 3 Iris, 4 Pupil, 5 Mantle, 6 Lesser coverts, 7 Scapulars, 8 Coverts, 9 Tertials, 10 Rump, 11 Primaries, 12 Vent, 13 Thigh, 14 Tibio-tarsal articulation, 15 Tarsus, 16 Feet, 17 Tibia, 18 Belly, 19 Flanks, 20 Breast, 21 Throat, 22 Wattle, 23 Eyestripe Topography of a typical passerine.
The colour of a bird's beak results from concentrations of pigments—primarily melanins and carotenoids—in the epidermal layers, including the rhamphotheca. [39] In general, beak colour depends on a combination of the bird's hormonal state and diet. Colours are typically brightest as the breeding season approaches and palest after breeding. [40]
Cordylanthus (lit. ' club-flower '), commonly known as bird's beaks, is a genus of parasitic plants in the broomrape family, Orobanchaceae.These western North American natives are sparse, weedy-looking annuals with long branching erect stems and little foliage, and many bear bird's-beak–shaped flowers.
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The jaw muscles, which allow the bird to close its beak, attach to the proximal end of the lower mandible and to the bird's skull. [ 5 ] (p148) The muscles that depress the lower mandible are usually weak, except in a few birds such as the starlings and the extinct huia , which have well-developed digastric muscles that aid in foraging by ...
Flower calyx purplish, 10–15 mm (shorter than the inner floral bract), tube 2–4 mm, tip bifid 2–3 mm deep, ca 1/3 of the calyx length; corolla 10–20 mm, erect, straight or nearly so, maroon, puberulent with reflexed hairs; lips subequal in length: galea pale, whitish, with a yellow-tip, finely pubescent and dark purple dorsally: lower ...
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct. Contents