Animals the Polynesians Brought to Hawaii: Pigs, Dogs, Chickens, Rats

When Polynesians voyaged to Hawaii (~1000–1200 CE), they deliberately transported a "canoe package" of plants and animals essential for settlement. The animals:

1. Pigs (Pua'a)

• Primary protein source for feasts and daily meals.
• Bones → tools (fishhooks, needles), ornaments.
• Free-ranged in forests; became feral, impacting native ecosystems.

2. Dogs (ʻĪlio)

• Hunting companions (birds, pigs).
• Guardians, spiritual protectors.
• Also eaten ceremonially.
• Small, fox-like; extinct as distinct breed by 19th century.

3. Chickens (Moa)

• Eggs and meat.
• Feathers for kahili (royal standards), helmets.
• Bones for tools.
• Feral populations persist.

4. Rats (ʻIole) — Accidental

• Stowaways on canoes (Rattus exulans, Polynesian rat).
• Devastated native birds, insects, plants, seeds—no evolved defenses.
• Major driver of extinctions (e.g., flightless birds).

Ecological Legacy

These introductions transformed Hawaiian ecosystems. Pigs and rats are now invasive pests; conservation efforts focus on fencing, eradication, and native species recovery. The "canoe animals" remain culturally significant—ancestral kin, not just livestock.