- 性別與年齡
- 雌成鳥 - 1; 雄成鳥 - 1
- 行為
- 求偶、展示或交尾
- 聲音
- 歌聲
- 回播
- 未使用回播
影音備註
NOTES: (Background Sounds: Car horn. Gen. Climate: Dry. Cover Density: Medium.) Two Black-headed Grosbeaks building nest in top of Sycamore tree. Male singing while female twits and builds nest. BNA: song. mf. Response to playback: No response. Other Behaviors: Advertise, Mate. Habitat: Forest, Deciduous Forest.
技術資訊
- 錄音機
- NAGRA IV-S
- 麥克風
- 配件
檔案資訊
- 已登錄的
- 12 Dec 2001 - Annette Nadeau
- 已數化的
- 17 Feb 2005 - Martha Fischer
- 已編輯的
- 14 Jun 1989 - Thomas Paolangeli