Response of Male Dusky Warblers (Phylloscopus fuscatus) to Invaders with Different Song Length
Laikun Ma1,2, Jiaojiao Wang1, Shanshan Lyu2 and Jianhua Hou1*
1College of Life Science, Hebei University, Baoding 071000, China
2School of Biology and Food Science, Hebei Normal University for Nationalities, Chengde 067000, China
* Corresponding author: 13633325718@163.com
Fig. 1.
Sounds with three different song length for playback. A, shortened song length; B, normal song length; C, extended song length.
Fig. 2.
Song response, flight response, and approach response of male dusky warblers to intruders with different sentence lengths. A, shortened song length; B, normal song length; C, extended song length.
Fig. 3.
Mean song length of male dusky warblers at three playback stages.
Fig. 4.
The relationship between maximum song length and PC1 (song response).