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The eastern green mamba (Dendroaspis angusticeps) is a highly venomous snake species of the mamba genus Dendroaspis native to the coastal regions of southern East Africa. Described by Scottish surgeon and zoologist Andrew Smith in 1849, it has a slender build with a bright green back and green-yellow ventral scales .
The black mamba (Dendroaspis polylepis) is a species of highly venomous snake belonging to the family Elapidae.It is native to parts of sub-Saharan Africa.First formally described by Albert Günther in 1864, it is the second-longest venomous snake after the king cobra; mature specimens generally exceed 2 m (6 ft 7 in) and commonly grow to 3 m (9.8 ft).
A mamba may retain the same lair for years. Resembling a cobra, the threat display of a mamba includes rearing, opening the mouth and hissing. The black mamba's mouth is black within, which renders the threat more conspicuous. A rearing mamba has a narrower yet longer hood and tends to lean well forward, instead of standing erect as a cobra does.
Ball Python; Bird snake; Black-headed snake; Mexican black kingsnake; Black rat snake; Black snake. Red-bellied black snake; Blind snake. Brahminy blind snake
With brown eyes taking an overwhelming lead, all of the other eye colors have lower percentages. According to WorldAtlas , 8-10 percent of the world's population have blue eyes.
The western green mamba has a long and slender body with a long tapering tail. The average length of an adult is between 1.4 metres (4.6 ft) and 2.1 metres (7 ft), with large approaching 2.4 metres (8 ft) long. [13] The long thin head has a distinct canthus above the medium-sized eyes, which have round pupils and yellowish brown irises. [14]
Pilots hit in eyes with lasers amid drone chaos. The FBI's Newark office issued a warning about an increase in pilots hit in the eyes with lasers because people on the ground think they see a drone.
The four pigments in a bird's cone cells (in this example, estrildid finches) extend the range of color vision into the ultraviolet. [1]Tetrachromacy (from Greek tetra, meaning "four" and chroma, meaning "color") is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cell in the eye.