This image was created in Ithaca, New York on 6/17/19 at 6:23PM. Image processed in Lightroom and Photoshop. Gray foxes can climb trees. These fox kits figured that out and couldn't stop chasing each other up and down them. This is a black walnut tree.
Hand held, Medium crop.
Canon 5D MarkIV
Sigma 150-600 Contemporary
335mm
ISO 8000
f6.3
1/320sec