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How small is a chim ruồi nest? 30 fans have answered this question No one has commented yet 53% medium

Hummingbirds have the highest rate of metabolism of all động vật except what animal? 27 fans have answered this question No one has commented yet 22% hard

What species of chim ruồi is actually even the smallest bird? 23 fans have answered this question No one has commented yet 57% medium

What is the smallest bird found in the US & Canada? 17 fans have answered this question No one has commented yet 24% hard