Is a kookaburra a consumer

No.

All kookaburras, are carnivorous, feeding on invertebrates such as insects, Spiders, worms, centipedes and crustaceans. They also eat vertebrates such as reptiles, fish, frogs and even small birds and mammals. Kookaburras have been observed catching a snake or lizard, carrying it up into the trees, and vigorously beating it on a branch or dropping it to kill it.