One of "our" resident lake mallards recently appeared with a new batch of ducklings and one of the ducklings is entirely yellow. Any thoughts on this occurrence - could she have mated with a domestic duck or would this duckling be considered leucistic? Thanks. ______________________________________________________________________ Ohio-birds mailing list, a service of the Ohio Ornithological Society. Our thanks to Miami University for hosting this mailing list. Additional discussions can be found in our forums, at www.ohiobirds.org/forum/. You can join or leave the list, or change your options, at: http://listserv.muohio.edu/scripts/wa.exe?LIST=OHIO-BIRDS Send questions or comments about the list to: [log in to unmask]