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red siskin การใช้

"red siskin" แปล  
ประโยคมือถือ
  • Red siskins been protected in Venezuela since the 1940s.
  • The red siskin is about 10 cm long.
  • The red siskin is found in open country, forest edges and grassland with trees or shrubs.
  • Scientists have discovered a previously unknown population of red siskins, a bird feared to be nearing extinction in the wild.
  • Breeders discovered that the red siskin could mate with the canary, Braun said Thursday, providing a bright color to the formerly drab songbird.
  • The American Federation of Aviculture is engaged in a red siskin recovery project, attempting to breed a large enough captive population of the birds for the commercial market.
  • Braun said the research team was conducting a survey of birds in little-studied Guyana _ which neighbors Venezuela _ when they came across a population of several thousand red siskins.
  • It was developed as a cross between another type of finch, the now endangered Venezuelan red siskin ( " Spinus cucullata " ), and a yellow domestic canary ( " Serinus canaria " ).
  • While wild canaries are a yellowish-green colour, domestic canaries have been selectively bred for a wide variety of colours, such as yellow, orange, brown, black, white, and red . ( The colour red was introduced to the domesticated canary through hybridisation with the red siskin, a type of South American finch .)