Simplify the following text for a Grade 12 native English-speaking person.
Original: The Himalayan Snowcock ( Tetraogallus himalayensis ) is a snowcock in the pheasant family Phasianidae of the order Galliformes , gallinaceous birds .
Simplified: The Himalayan Snowcock ( Tetraogallus himalayensis ) is a snowcock in the pheasant family Phasianidae found across the Himalayan ranges and parts of the adjoining Pamir range of Asia .