• 
of not over 300 feet, flapping slowly as if tired and 
keeping dead silence until they were nearly over us when, 
with a few low musicad. honks (probably notes of command 
from the leader) they changed their course and,recrossing 
the river just below the Hill, quickly passed beyond 
our sight to the eastward. Faxon thought they saw the 
ocean and were making for it. There was something 
peculiarly impressive in the silent, majestic advance 
of these great birds when we first caught sight of them. 
Flicker sings 
As we were eating breakfast, a Flicker began 
on wing 
shouting on the hill and then, breaking off suddenly, 
uttered the shouting notes "by twos, with intervals between 
Flight song 
each pair. By the change of direction in the sound we 
knew that he was flying and rushing to the door saw him 
cross the river and meadow to an oak on the Bedford shore, 
keeping up the interrupted shout during the entire flight. 
Neither Fa.xon nor I have ever heard a Flicker shout on 
wing before. 
Soon afterwards, while a Davis's Hill, we made a 
of the 
similarly novel observation on the Pine Warbler, which for 
Pine Warbler 
• 
the first time we heard utter what seemed to be a real 
flight sone, made up of the usual trill with a number of 
low twits and warbling notes preceding the trill. There 
were three birds (probably two males chasing a female) 
darting and twisting about among the upper branches of a 
