Singing Sky Lark automaton w/ low tail feather pose, leaning slightly to one side, deep red glass eyes, when actuated, turning head, moving beak to continuous birdsong from going-barrel movement, hidden start button to chest, winding hole with automatic hole fill-plate, on out-stretched feet, the body with exceptional tooled feathering detail, counter-sunk screw fixing centre-seem for movement access, in orig midnight blue velvet-lined box & period key. 5 1/2in. c1880, movement probably Bontems.