3:00 snapshot #1350: Siberian cranes.
Aug. 3rd, 2013 09:06 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
urbpan
A pair of Siberian cranes, when threatened (that is, when anyone passes close to their enclosure) adopt this interesting synchronized head-down defensive posture. If you're lucky they'll call together, an amazing bugling duet that carries for long distances.
