Thick-billed parrot - The Thick-billed Parrot is a medium-sized, up to 38 cm long, bright green parrot with a large black bill and a red forecrown, shoulder and thighs. Adult eyes are amber, while juveniles have brown eyes. The rest of the bird is bright green. Thick-billed Parrots show red shoulders and leading edge on the underwing, followed by a blackish green stripe, then a yellow stripe, followed by the remaining underwing showing dark green. It appears to show a blackish tail.
Maroon-fronted Parrot - The species is endemic to northeast Mexico, where only about 2500–3000 birds survive in the wild.