Petrochelidon

Petrochelidon is a genus of birds known as cliff-nesting swallows. The genus includes all of the five species of birds commonly called cliff swallow, and contains the following species:

单词	Cliff Swallow
释义	Cliff Swallow 英语百科 Petrochelidon Petrochelidon is a genus of birds known as cliff-nesting swallows. The genus includes all of the five species of birds commonly called cliff swallow, and contains the following species:
随便看	Majon Majona, Pta. majonity carrier majoon Majora Major abnormality of bony pelvis Major Accident major act of smuggling major adjust major advantage major adviser Major affective disorder major affective disorders major agglutinin major agglutinogen major air cell major airport major alar cartilage major allergen major alternation majoram Major amblyoscope Major amputation Majorana Majorana field

Cliff Swallow

Petrochelidon