Figure 14.7: The webbed feet of a great black-backed gull (Larus marinus). ( 33 )
Figure 14.8: The long spreading toes of an American purple gallinule (Porphyrio martinica).
( 8 )
Figure 14.7: The webbed feet of a great black-backed gull (Larus marinus). ( 33 )
Figure 14.8: The long spreading toes of an American purple gallinule (Porphyrio martinica).
( 8 )