1. English naturalist (born in Argentina) (1841-1922)
   - Hudson, William Henry Hudson

Type of: natural scientist, naturalist

• ivory-billed woodpecker
• ivory-nut palm
• ivorybill
• IVP
• Ivry
• Ivry la Bataille
• ivy
• ivy arum
• ivy family
• ivy geranium
• Ivy League
• Ivy Leaguer
• ivy-covered
• ivy-leaved geranium
• IW
• iwi
• Iwo
• Iwo Jima
• IWW
• ix
• ixc
• Ixia
• ixl
• Ixobrychus
• Ixobrychus exilis