Appearance
Blackbirds are smaller than ravens, with an average length of 6 to 10 inches. Ravens are larger, with an average length of 24 to 27 inches. Blackbirds have a shorter tail than ravens. Blackbirds have a pointed bill, while ravens have a more hooked bill.
Habitat
Blackbirds are more likely to be found in open areas, such as fields and meadows while ravens are common in a broader range of habitats, including mountains and forests.
Diet
Blackbirds are omnivores, and their diet consists mainly of insects, fruits, and seeds. They will also eat small vertebrates such as lizards and frogs. Ravens are scavengers and predators and will feed on carrion, insects, small mammals, and birds.
Vocalization
Blackbirds have a variety of vocalizations, including songs, calls, and whistles. Ravens have a deep, croaking call.
Behavior
Blackbirds are more social than ravens and are often seen in flocks. Ravens are more solitary birds and are often seen alone or in pairs. Blackbirds are known to migrate south for the winter while ravens are year-round residents in most areas.
Intelligence
Both blackbirds and ravens are considered to be intelligent birds. Blackbirds are known for their ability to learn songs, while ravens are known for their tool-using skills and are considered one of the most intelligent birds in the world.