1. Tuft of small stiff feathers on the first digit of a bird's wing
   - bastard wing, alula

Derived forms: spurious wings

Type of: feather, plumage, plume

Part of: wing

• genus Hypsiglena
• genus Hypsiprymnodon
• genus Hyracotherium
• genus Hyssopus
• genus Iberis
• genus Ibero-mesornis
• genus Ibis
• genus Ichthyosaurus
• genus Ichthyostega
• genus Ictalurus
• genus Icteria
• genus Icterus
• genus Ictiobus
• genus Ictonyx
• genus Idesia
• genus Iguana
• genus Iguanodon
• genus Ilex
• genus Iliamna
• genus Illecebrum
• genus Illicium
• genus Impatiens
• genus Inachis
• genus Indigofera
• genus Indri