American coot's foot
fis·si·pal·mate
(fĭs′ə-păl′māt′)adj.
Having lobed or partially webbed separated toes, as in the feet of certain birds.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
fissipalmate
(ˌfɪsɪˈpælmeɪt)adj
(Animals) (of some birds' feet) partially webbed, having lobes and fringes on separate toes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014