Sirin is a mythological creature of Russian legends, with the head and chest of a beautiful woman and the body of a bird (usually an owl). Sometimes Sirins are seen as a metaphor for God's word going into the soul of a man. Sometimes they are seen as a metaphor of heretics tempting the weak.
Clark & Sellers (American, active 20th century). Tattoo Design with a Dragon and Snake (Inspired by Japanese Examples), ca. 1900-1945. The Metropolitan Museum of Art, New York. Harris Brisbane Dick Fund, 1946 (46.24.6)