Japanese Raccoon Dogs Repeatedly Bite Leafless Branches beside Den Entrance in Early Spring

Bored family members of Japanese raccoon dog (Nyctereutes viverrinus, family Canidae) tentatively bit leafless shrubs and fallen branches around the den entrance to kill time again and again. Captured with my new trailcam day and night of mid- and late-March 2025 in the snowy secondary forest in Japan. For a full story (text in Japanese); https://sigma-nature-vlog.blogspot.com/2026/07/blog-post_54.html 0:00 15 Mar 0:41 18 Mar 3:24 23 Mar 7:03 25 Mar