June 
cular or twilight birds—not altogether inactive 
during the day (especially when it is cloudy), 
and sometimes roaming about very late in the 
evening ; but finding their most congenial pe- 
riod of activity—which among birds chiefly 
means foraging for food—during the short inter- 
val of half-light. 
Occasionally during the day, oftener at dusk, 
I have seen or heard, as anyone in the country 
is likely to do during the summer months, that 
very familiar specimen of the crepuscular birds, 
but much better known by its sound than other- 
wise—the ‘‘night-hawk.’’ The only excep- 
tions that can be taken to the name are that it 
is not a ‘‘ night’’ bird, as it flies about mostly 
at dusk, sometimes in midday, nor yet is ita 
hawk, being called so only from a resemblance 
when on the wing, and in its general appearance 
at a distance. This bird and the whippoorwill 
are allied, and resemble each other as closely as 
twins, both being just about as large as a rob- 
in, and ‘‘ indescribably variegated or mottled 
with several quiet colors.’’ In one the tail is 
forked, in the other rounded, and the night- 
hawk has a white patch on the wing, which is 
lacking in the other. Otherwise they are well- 
nigh indistinguishable. Probably there is not 
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