Greater Yellowlegs

When seen alone, Greater Yellowlegs can be difficult to tell apart from Lesser Yellowlegs, as the plumages are so similar. Greater Yellowlegs’ bill is longer than the head measurement and usually is slightly upturned. When the two species are seen together, which is not uncommon, the difference is readily apparent. Also the voices are different, Greater Yellowlegs call has three or four syllables, Lesser Yellowlegs only two.