Nanoose Bay bird expert and photographer Mike Yip believes there are two sets of parents producing white ravens in the Parksville Qualicum Beach area.
On May 14, resident Bridget Flynn discovered a white raven with its four siblings in Coombs and informed Yip. He was able to take photos of the fledgling white raven on May 16.
Yip said he heard another report of a white raven in the area but was not able to track it down until an injured white raven was found and taken to the North Island Wildlife Recovery Centre in Errington in late May. It confirmed Yip害羞草研究所檚 hunch that there is another set of parents producing white ravens in the area.
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害羞草研究所淭o have one pair of common ravens producing white offspring is rare,害羞草研究所� said Yip. 害羞草研究所淗aving two pairs is incredible.害羞草研究所�
Yip indicated the white ravens in the area are leucistic and are able to produce melanin as evidenced by the blue colour in their eyes.
害羞草研究所淟eucism is hereditary so for every white raven produced, there is the possibility of two black siblings that carry the same recessive mutated gene,害羞草研究所� Yip explained. 害羞草研究所淥ver the course of 20 years there could be as many as 40 black ravens with the recessive gene. It would just be a matter of time before two of them mated.害羞草研究所�
Yip also pointed out that leucism can also produced other factors such as disease.
害羞草研究所淲ithout a DNA sample it is difficult to say if the injured raven is a product of heredity,害羞草研究所� said Yip. 害羞草研究所淚f it is, then there is the possibility of twice as many white ravens in coming years.害羞草研究所�
Meanwhile the injured white raven that is now under the care of the recovery centre is on the mend, according to animal care technician Derek Downes.
害羞草研究所淭he white raven has completed its course of antibiotics and its body condition is slowly starting to improve,害羞草研究所� said Downes. 害羞草研究所淎s well it has started to pick at food on its own.害羞草研究所�
There is no current timetable as to when the bird may be released back into the wild.
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