Showing posts with label difference. Show all posts
Showing posts with label difference. Show all posts

Tuesday 13 May 2014

Hair-crested drongos: a difference in pigmentation


I came across these two drongo at Sirwani, near Singtam; felt strange about the difference of the beaks. It could be that the yellow pigmentation could be due to immaturity. There is also a difference in the size of the beak.