Biology Question #2037
Kirsty, a 20 year old female from Cumbria asks on April 6, 2004,
Why do both sexes of dabbling ducks have brightly coloured bills?
viewed 16199 times
Add to or comment on this answer using the form below.
Note: All submissions are moderated prior to posting.
If you found this answer useful, please consider making a small donation to science.ca.