Oosthuizen & de Bruyn: Isabelline King Penguin at Marion Island 275
Isabellinism is a form of pigment dilution caused by a genetic mutation that results in a reduction in the concentration of eumelanin, the pigment responsible for black, grey and dark brown feathers in birds (Van Grouw 2006). It results in a uniform lightening of dark colouration, which appears grey...
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Text |
| Language: | English |
| Subjects: | |
| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.690.6369 http://marineornithology.org/PDF/37_3/37_3_275-276.pdf |