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A white canary nesting Feral yellow canary at Midway Atoll Red factor canary Sleeping canary. Domestic canaries are generally divided into three main groups: Colour-bred canaries (bred for their many colour mutations – Ino, Eumo, Satinette, Bronze, Ivory, Onyx, Mosaic, Brown, red factor, Green (Wild Type): darkest black and brown melanin shade in yellow ground birds, Yellow Melanin: mutation ...
The red factor canary averages about 5 + 1 ⁄ 2 inches (14 cm) in length. This variety of canary tends to be bred for the novelty of its color, rather than for its song.. It was developed as a cross between another type of finch — the now-endangered Venezuelan red siskin (Spinus cucullatus) — and a yellow domestic canary (Serinus canaria domestica).
Canaries, birds in the genera Serinus and Crithagra including, among others: Atlantic canary (Serinus canaria), a small wild bird Domestic canary, Serinus canaria domestica, a small pet or aviary bird, also responsible for the "canary yellow" color term; Yellow canary (Crithagra flaviventris), a small bird
Canaries were especially good for this purpose as, unlike finches, doves and mice, they reacted very quickly to carbon monoxide. While a mouse would not have a noticeable reaction until after up to 70 minutes to a carbon monoxide concentration of 0.77% in the air, a canary will fall off its perch after as little as 2.5 minutes from a ...
The Australian plainhead has its roots in the old style Norwich canaries that originated in Norwich, England and became a popular show variety in Australia. [1] In the 1930s, differences between the older show standard used by the breeders of Victoria, Australia and the more modern standards of the UK, created a bitter divide amongst Australian breeders of the Norwich canary. [2]
The Atlantic canary can range from 10 to 12 cm (3.9 to 4.7 in) in length, with a wingspan of 21 to 23.7 cm (8.3 to 9.3 in) and a weight of 8.4 to 24.3 g (0.30 to 0.86 oz), with an average of around 15 g (0.53 oz).