Flight of 
The Bittern seen to-day flew fully 100 yards 
Bittern 
(across the river) with neck extended and curved and legs 
dangling or rather hanging down, 
and alighted in tall reeds on the bank. 
The Flicker (Colaptes) does not a 1'ways fly in 
undulations with intermittent wing-beats. One to-day crossirg 
the Great Meadows flapped continuously and steadily and 
moved on a perfectly level plane. Until it came nearly over 
me I mistook it for a Robin. One "galloping 11 through the air, 
a few days ago, regularly flapped its wings but once at 
the beginning of each bound, then closed them tightly while 
its body described the usual curve. Perhaps the single 
wing-beat between the curves is the rule. I must investigate 
