The small brown bug with a black spot on its back is commonly known as a ladybug.
The small brown bug with black spots on its back is called a ladybug.
The small brown bug with a black line on its back is commonly known as a "boxelder bug."
The small bug that is brown with black spots is called a ladybug.
black widow
The spider you are referring to is likely the brown recluse spider, which is known for its brown coloration and dark violin-shaped marking on its back.
Collared Doves
There are many subspecies of American black bears, and the NW USA has several. You need to look up the subspecies of black bears at the library to find a map, and compare that to your area of interst. There are actually no small brown bears in a black color, though there are black bears in a brown color. These bears are called cinnamon bears. Blacks also come in white, albino, blonde, glacier blue and purple (so black it has a purple hue)
The name of the brown bug with spots on its back is a ladybug.
The name of the brown bug with lines on its back is a stink bug.
The insect you are referring to is called a "stink bug."
A brown horse that is nearly black is either referred to as a dark bay or a brown horse.
The bug you spotted in your garden is likely a striped shield bug.