Swallows 3.7.10

燕子

Chinese 燕子

English Swallows

Spanish Golondrinas

Code: 3.7.10
Category: 3.7 Birds, bats
Version: Vienna Classification, 10th edition (VCL 10, in force from 1 Jan 2026); English from the WIPO official text, Chinese is a J&C reference translation