orange-chinned parakeet vs maitaca-de-cabeça-azul/maitaca-de-barriga-azul

The Orange-chinned Parakeet and Blue-headed Parrot can be distinguished primarily by size and head color. The Orange-chinned Parakeet is smaller with a distinct orange patch under its chin, while the Blue-headed Parrot is larger with a striking blue head.

Look for the size difference first: the Orange-chinned Parakeet is smaller. Check for the orange chin patch on the parakeet and the blue head on the parrot.

The Orange-chinned Parakeet is smaller compared to the larger Blue-headed Parrot.

The Orange-chinned Parakeet has a green body with a small orange patch under the chin. In contrast, the Blue-headed Parrot features a blue head with a green body.