Bullfrogs are typically green or gray-brown with brown spots and have easily identifiable circular eardrums, or tympanum, on either side of their heads.
Bullfrogs are typically green or gray-brown with brown spots and have easily identifiable circular eardrums, or tympanum, on either side of their heads.
牛蛙一般是绿色或灰棕色伴有棕色斑点.在它们头部两边都有鼓起,所以很好辨认.