Neil Aldridge / Brown-headed parrots (Poicephalus cryptoxanthus) perched in the entrance to their nest in the trunk of a Baobab tree (Adansonia digitata), Kruger National Park. South Africa.

Chien Lee / Brown-headed Parrot (Poicephalus cryptoxanthus) feeding on fruit, Kruger National Park, South Africa

Chien Lee / Brown-headed Parrot (Poicephalus cryptoxanthus) feeding on fruit, Kruger National Park, South Africa

Richard Du Toit / Brown-headed Parrot (Poicephalus cryptoxanthus) feeding on seeds from seed pod, Kruger National Park, South Africa

Tony Heald / Smiths bush squirrel {Paraxerus cepapi} and Brown headed parrot {Poicephalus cryptoxanthus} South Africa

Tony Heald / Smith's bush squirrel {Paraxerus cepapi} watching a Brown headed parrot {Poicephalus cryptoxanthus} feeding, South Africa

Neil Aldridge / Brownheaded parrot (Poicephalus cryptoxanthus) climbing into its nest in hollow tree stump, Letaba River, Limpopo Province, South Africa.

Neil Aldridge / Brownheaded parrot (Poicephalus cryptoxanthus) climbing halfway out of nest in hollow tree stump and looking around, Letaba River, Limpopo Province, South Africa.

Neil Aldridge / Brownheaded parrot (Poicephalus cryptoxanthus) looking out of nest entrance in hollow tree stump and then climbing out, Letaba River, Limpopo Province, South Africa.

Neil Aldridge / Brownheaded parrot (Poicephalus cryptoxanthus) preening and fluffing up its feathers whilst perched on tree stump, Letaba River, Limpopo Province, South Africa.