ML636956543

媒体文件注释

Appeared to be calling to another bird in the distance

观察细节

At least 8(-10) on northwestern ascent, including close to the top (2nd year male singing; adult male singing; seen singing; heard singing; 2nd year male singing; heard singing; 2nd year male singing; heard singing). Only one on southeastern descent (heard singing).

额外物种

• Eurasian Siskin Spinus spinus