1. Of northern United States and Canada
   - spruce squirrel, red squirrel, Sciurus hudsonicus, Tamiasciurus hudsonicus

Type of: tree squirrel

• Ian Fleming
• Ian Lancaster Fleming
• Ian Smith
• Ian Wilmut
• ianfu
• Iapetus
• IATA
• iatrogenic
• ib.
• Ibadan
• IBDA-C
• Iberia
• Iberian
• Iberian Peninsula
• Iberis
• Ibero-mesornis
• Ibert
• ibex
• ibid.
• Weltschmerz
• Welty
• welwitschia
• Welwitschia mirabilis
• Welwitschiaceae
• Wembley