Red-tailed Hawk landing on nest, Bobst Library, NYU, New York City

Sunning Bobby and active Cooper’s Hawk – November 11th, 2018

Today’s visit had an action-packed hour before both Bobby and a Cooper’s Hawk left the park grounds.

At first I saw Bobby sunning atop the One Fifth Avenue apartment building. He dove off his perch 20 minutes later and flew north. I searched his regular perches north of the park but didn’t find Bobby.

A Cooper’s Hawk appeared in the park several minutes later and spent the next half hour diving incredibly fast as he chased after pigeons. He was unsuccessful in his hunting. He then traveled south of the park.

Bobby on One Fifth Avenue:

Washington Square Park Hawk Bobby perched atop One Fifth

Washington Square Park Hawk Bobby sitting on One Fifth

Washington Square Park Hawk Bobby looking over the edge of One Fifth

The library renovation scaffolding suspended ‘at rest’ on this Sunday. The Hawk nest is in the fifth window from the left:

Scaffolding suspended around the Hawk nest

Park leaves stuffed into huge black garbage bags:

Washington Square Park leaves stuffed into black bags

These bags are enormous and have carrying handles:

Washington Square Park leaves stuffed into white bags

I could keep an eye on Bobby through the trees as I walked around:

Bobby seen on One Fifth Avenue through the trees

Bobby seen on One Fifth Avenue through the trees

Bobby flew northward.

The visiting Cooper’s Hawk:

Cooper's Hawk soaring downward over Washington Square Park

The park pigeons assembled on top of the park arch. It seems they gather like this most often when there is a Cooper’s Hawk in the park. The pigeons will either rush to trees or some of the lower building tops when there is a Red-tailed Hawk in the park. But for Cooper’s Hawks they will often sit together on the arch:

Washington Square Park pigeons gathered on the arch

The pigeons gathering into a ball, resembling a school of fish doing the same when fleeing predators:

Washington Square Park pigeons flying in a ball away from the arch

The Cooper’s Hawk dove into and around their formation but did not catch any of them.

Washington Square Park Cooper's Hawk diving

Washington Square Park Cooper's Hawk diving past NYU flag and water tower

Washington Square Park Cooper's Hawk diving past NYU flag and water tower

Flying past One Fifth Avenue:

Washington Square Park Cooper's Hawk flying past One Fifth Avenue

Washington Square Park Cooper's Hawk flying past One Fifth Avenue

Washington Square Park Cooper's Hawk flying above the park

Some of his lower belly feathers were reddish. It might have been blood from an earlier meal:

Washington Square Park Cooper's Hawk diving above the park

Washington Square Park Cooper's Hawk flying through the trees

It dove through the trees then landed on a building outside the southern side of the park:

Washington Square Park Cooper's Hawk sitting on a building outside the park

It disappeared when flying further south. Pigeons from that area flew quickly into the park so I gather the Cooper’s Hawk was hunting not far south of the park.

Unfortunately I did not see the juvenile Hawk that was in the park on the 8th. I guess he got the message that he was not welcome back after Bobby and Sadie did such a good job of chasing him away from their territory.


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