ChiaraOpal

Common name: Common garter snake
Scientific name: Thamnophis sirtalis
Wikipedia: Common Garter Snake

Common name: The one on top looks like a Pekin duck, also known as Long Island duck.
Scientific name: Anas platyrhynchos domestica OR Anas peking
Wikipedia: Pekin duck

Common name: some kind of Sphinx moth

Common name: Spangle swallowtail butterfly
Scientific name: Papilio protenor
Wikipedia: Papilio protenor

Common name: Swallowtail

Common name: maybe some sort of flowering legume, or lady's slipper.

Common name: Black-tailed deer
Scientific name: Odocoileus hemionus columbianus
Wikipedia: Black-tailed Deer

Common name: Dungeness crab
Scientific name: Cancer magister

Common name: Common Houseplant

Common name: Oregon Grape
Scientific name: Mahonia aquifolium
Wikipedia: Oregon-grape