Whooping Crane Pairs

How many threat behaviors do you see in this video (we count at least five!)? ICF's Tracking Field Manager, Eva Szyszkoski, shares this video from late October of two young Whooping Crane pairs, subtly reminding each other of their claims to the Wisconsin marshes. The cranes in the video are 18-09 and 25-09 (female) on the left and 4-08 and 26-07 (female) on the right.