Lovebird Size Comparison. In this department, they are exactly the same as most lovebirds: Difference between lovebirds and parakeets amount of noise.
A black cheeked lovebird, on the other hand, is agapornis nigrigenis and there are no subspecies. The commonly kept parrotlets are in 3 inches going to 5.5 inches. Lovebirds have short, blunt tail feathers, unlike budgies (“parakeets”), which have long pointed tails, and lovebirds are also stockier.