Cuculiformes is an order of birds that includes the families Cuculidae (cuckoos), Neomorphidae (roadrunners), and Centropodidae (ground cuckoos). These birds are known for their distinctive calls and behaviors, often characterized by their long tails and slender bodies. Many species within this order are brood parasites, laying their eggs in the nests of other birds. Cuculiformes are found in various habitats around the world, from forests to deserts. They primarily feed on insects, small animals, and fruits. Their unique adaptations and behaviors make them an interesting group for ornithologists and birdwatchers alike.