Parasitic Jaegers are streamlined but powerfully built seabirds, the middle-sized of the three jaegers. Breeding adults have a long pointed tail (not as long as Long-tailed Jaeger). The bill is fairly slender, giving them a pin-headed, full-bellied look.
Larger than a Long-tailed Jaeger; smaller than a Pomarine Jaeger.between crow and goose
- Both Sexes
- Length: 14.6-20.9 in (37-53 cm)
- Weight: 10.6-20.6 oz (301-585 g)
- Wingspan: 42.5-46.5 in (108-118 cm)