The term 'Black-and-Orange Birds' refers to Orioles, a species of bird found in North America and the Caribbean. Orioles are known for their bright black and orange plumage, which makes them easily recognizable. They are also known for their melodious songs, which can be heard throughout the summer months. Orioles are a popular backyard bird, and they can often be seen perched on tree branches or flying around in search of food.