wèi / le / bì / miǎn / jīng / rǎo / niǎo / qún / shǎng / niǎo / shí / qǐng / bǎo / chí / ān / jìng为了避免惊扰鸟群,赏鸟时请保持安静。To avoid disturbing the birds, please remain quiet while birdwatching.