Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: June 3, 2025
But, as the author we are quoting points out, when we think of the wide range of conditions in the country occupied by auratus, extending from Florida to the Arctic, it is impossible to believe that there is any common element in the conditions which demands a scarlet nuchal patch in auratus, while the equally varied conditions in the cafer area do not require that character.
The head of the Nile is near the cliffs of the Red Sea, though some say it is in the western part of Africa, near Mount Atlas, whence it flows over a large track of land, till it sinks; after which, it proceeds in its course, till it becomes a great sea, or wide river . The spot where the river takes its rise is called by some Nuchal, and by others Dara.
No nuchal crescent in in both sexes. either sex. Throat and fore-neck brown. 5. Throat and fore-neck grey. Top of head and hind-neck grey. 6. Top of head and hind-neck brown. General tone of plumage 7. General tone of plumage olivaceous. rufescent.
Nat. Hist., 1892. The two forms specially considered are named C. auratus and C. cafer, and they differ in the following seven characters: C. auratus. C. cafer. Quills yellow. 1. Quills red. Male with black cheek stripe. 2. Male with red cheek stripe. Adult female with no 3. Adult female with usually cheek stripe. brown cheek stripe. A scarlet nuchal crescent 4.
Bateson remarks that some naturalists may be disposed once more to appeal to our ignorance, and suggest that if we only knew more we should find that the yellow quills, the black 'moustache, and the red nuchal crescent specially adapt auratus to the conditions of the northern and eastern region, while the red quills, red moustache, and absence of crescent fit cafer to the conditions of the more southern and western territory.
Word Of The Day
Others Looking