Trogon
Videos
The trogons and quetzals are birds in the order Trogoniformes which contains only one family, the Trogonidae. The family Trogonidae contains 49 species in seven genera. The fossil record of the trogon
Harpactes erythrocephalus Khao Yai
Male masked trogon Trogon personatus temperatus
Fossil of Masillatrogon from Messel
The tendons of the foot, showing the arrangement with a reversed second toe. The plantar tendon on the front (flexor perforans digitorum) splits into two sections, and enters the front toes while the hind plantar (flexor longus hallucis) splits and enters the hind toes.
Dactyly
Videos
In biology, dactyly is the arrangement of digits on the hands, feet, or sometimes wings of a tetrapod animal. The term is derived from the Ancient Greek word δάκτυλος, meaning "finger."
Trogon
…partial local movements. Trogons have soft, often colourful, feathers with distinctive male and female plumage. They are the only type of animal with a heterodactyl toe arrangement. They nest in holes dug into trees or termite nests, laying 2–4 white or pastel-coloured eggs. The position of the trogons within the…
Human foot with partial simple syndactyly.
Tridactyly (Mikhail Tal)
Didactyly
Monodactyly