Sennett Nighthawk
420c. Chordeiles virginianus sennetti. 10 inches.
A paler and more of a grayish color than preceding. Habits the same.
Texas Nighthawk
421. Chordeiles acutipennis texensis. 10 inches.
The markings of this species are much finer and more mottled with a reddish brown color than the preceding. They are very abundant in Arizona, southern Texas and quite common in southern California.