tree swallow
noun
1 tree swallow
Bluish-green-and-white North American swallow; nests in tree cavities.
synonyms: Iridoprocne bicolor, white-bellied swallow.
Polish: nadobniczka drzewna
2 tree swallow
Of Australia and Polynesia; nests in tree cavities.
synonyms: Hirundo nigricans, tree martin.
Polish: nadobniczka drzewna
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