akandula

Welcome to Whatbird! This is an adult male Rufous/Allen's Hummingbird. A small percent of male Rufous show green backs, so I would think that you would need spread tail pics to confirm which one it is.

Wing shape is probably the best way to differentiate them when they’re in flight. Falcons generally have thinner, pointier wings than hawks. Drawing from https://www.birdsoutsidemywindow.org/2011/04/19/falcon-or-hawk/

Sorry, I just edited my comment. In Swainson's there are no two distinct morphs, but rather a range.

There are indeed a range of color morphs. The first bird is an adult light morph and the second bird is an adult intermediate morph.

The brown "hood" and two-toned pointed wings are good clues.

Try clicking on the right of the first photo and clicking Enter.

Northern. The thin mask and brown barring on the breast rule out Loggerhead. It's going to leave to Canada soon...

Appears to be a Mallard x Mexican Duck hybrid. There's too much white on the tail for it to be a pure Mexican.

Female Broad-billed is correct. Note the gray underparts, pale stripes bordering the dark cheek, and red lower mandible. Male Lucifer Hummingbird is correct! Note the strongly curved bill, forked tail, and long magenta gorget. Congrats on the lifer!

Definitely Canada. The bird is too bulky and the bill is way too long for a Cackling. The goose is contracting its neck, so the short-necked appearance is just an illusion.

Nivalis is correct -- #3 is a Rough-winged.

Welcome to Whatbird! That's a Baltimore Oriole. Note the orange-colored body, with 2 white wingbars and a long, pointed bill.

Whimbrel and Short-billed Dowitchers.

Welcome to Whatbird! This looks better for an Orange-crowned Warbler. They often pierce the base of flowers to drink nectar. Yellow-breasted Chats are larger with a brown back and white undertail coverts.

It's an adult male, which are often called "Gray Ghosts."