birds

Bird Cage Size Recommendations by Species: 2026 Dimensions Chart

Bird Cage Size Recommendations by Species: 2026 Dimensions Chart Bird cage size recommendations scale with wingspan: a finch needs a minimum of 18" x 18" x 18" (about 3.4 cubic feet), while a large macaw needs at least 48" x 36" x 60" (60 cubic feet) — nearly 18 times the volume. Avian-care guides set the floor at 1.5 to 2 times a bird's full wingspan in width. Run your own species and flock size through our free Bird Cage Size Calculator(/pets/bird-cage-size-calculator) before you buy a cage. The most common cage mistake is buying for the bird's body, not its wings. A cockatiel housed in a 16-inch-wide "starter" cage may never once fully extend both wings — its 13-inch wingspan needs roughly 20 inches of clearance to flap. The other frequent danger is bar spacing: a small bird's head can slip through 5/8-inch bars meant for a larger species and...