Hvernig á að dæma "tree swallow"

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Merkingar og skilgreiningar á "tree swallow"

Noun

bluish-green-and-white North American swallow; nests in tree cavities

Samheiti:

• white-bellied swallow
• tree swallow
• Iridoprocne bicolor

Noun

of Australia and Polynesia; nests in tree cavities

Samheiti:

• tree swallow
• tree martin
• Hirundo nigricans