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Chrysiptera parasema, also known as yellowtail damselfish, yellowtail blue damsel, goldtail demoiselle and other variations, is a saltwater species of fish from the Indo-Pacific. It was described by Henry Weed Fowler in 1918.
The blue-and-yellow macaw is on the verge of being extirpated in Paraguay, but it still remains widespread and fairly common in a large part of mainland South America. The species is therefore listed as Least Concern by BirdLife International. Its wild population has not been quantified but is believed to be above 10,000 individuals and is in ...
Blue in colour at the top, shaped like an elephant goad or the head of a horse, marked with a linear mark present near the chakra and several bindus; Marked with five linear marks, other characteristics being the same before; Marked with a single chakra and a marking resembling a banner; Has both yellow and red colours on its surface, endowed ...
a horizontal tricolor of red, yellow and blue. 1812 – 1826: Flag of Paraguay: a horizontal tricolor of red, White and blue. 1826 – 1842: Flag of Paraguay: a light blue field with a 6 pointed star in the canton. 1842 – 1954: Flag of Paraguay: A horizontal triband of red, white and blue, defaced on the obverse with the national coat of arms ...
Palpopleura sexmaculata, [2] commonly known as the Asian widow or blue-tailed yellow skimmer, [3] [4] is a species of dragonfly in the family Libellulidae. It is widespread in several countries in South , East and Southeast Asia , but is no longer believed to occur in Sri Lanka .
Unique hue is a term used in perceptual psychology of color vision and generally applied to the purest hues of blue, green, yellow and red. The proponents of the opponent process theory believe that these hues cannot be described as a mixture of other hues, and are therefore pure, whereas all other hues are composite. [1]
This school was later moved to a building at Gongawela in 1889 with the help of the Parama Vidyartha Buddhist Society. [ citation needed ] Between 1888 and 1912, Batuwantudawe, Shumawa, Francis Soysa, Weerasinghe, and D. S. de Silva served as principals, with M. B. Navaratne, A. D. William Silva, W. A. M. Peiris Silva, and D. P. Wanigasekara ...
RYB (an abbreviation of red–yellow–blue) is a subtractive color model used in art and applied design in which red, yellow, and blue pigments are considered primary colors. [1] Under traditional color theory , this set of primary colors was advocated by Moses Harris , Michel Eugène Chevreul , Johannes Itten and Josef Albers , and applied by ...