Brown's Cockatiel Treats

My dog's teeth are brown at the top (not his gums)

Brown discharge. No redness or itching but I always have to wipe the brown gunk from his ears. He's a golden retriever.

what brews would you say he is ?

Newly developed brownish spots on white male boxer. Age 1

My chick's droppings are reddish brown

These are the spots

Red and dark brown skin color on abdomen, now moving down underside of back legs.

Any advice on what that is brown in mouth and what to do to treat it?

Cat has brown- ish red scab with pink edges

My Cat has white bowls.

my cat is a pure persian cat but his paws are brownish what might be the problem

Black skin and red lesions