American (Bald) Eagle
Featured above. Very "Flintstone" appearance like a pterodactyl nest in the modern day. These are 4 to 6 feet diameter stick nests quite often Aspen or Eastern White Pine in the GLSL and Boreal. They can be 3 feet deep with older reused nests much deeper, snug in the fork at the upper portion of said trees.

Red-tailed Hawk
Bulky often large coarse twigs & sticks. Thick conifer decoration higher in canopy than red-shouldered hawk. 81% in deciduous trees.

Red Shouldered Hawk
Solid, earthy, medium size; neat fine-medium twigs; dense hemlock decoration. 95% in deciduous trees, favors Beech trees.

Broad Winged Hawk
Loose, often small. Trees smaller than for RSH. Sparse deciduous decoration, late nester. 88% in deciduous trees. Favors Birch.

Goshawk
Ragged; may be huge, long, coarse sticks & twigs, thick conifer decoration. 66% in deciduous trees also in Pr & Pw plantations (Red Pine, White Pine).

Coopers Hawk
Loose, flat, fine twigs. Sparse confier decoration. 63% in deciduous trees, high in tree but can be in main fork, also in Pr & Pw plantations.