ML120248

媒体文件注释

NOTES: "Vocalizations of Bank Swallow colony, remote miked. Recording started at approx 1920hrs and ended approx 2020hrs. Sunset was approx 2000hrs. The microphone was placed in the middle of about 50 cavities in exposed crumbly dirt bank, surrounded by rimrock to the west and a wetlands to the east. Number of individuals=UU1+;. Social Context: Colony. Habitat: Bank.