Like all other reptiles, birds have scales (feathers are produced by tissues similar to those that produce scales, and birds have scales on their feet) and birds lay eggs like other reptiles.
(those; produce; scales) (birds; have; scales on their feet) (birds; lay; eggs; like other reptiles) (feathers; are produced; by tissues similar to those) Context(feathers are produced,List([44, 65))):(birds; have; scales)
feathers are produced,List([44, 65))
those birds birds feathers birds
produce have lay are produced have
scales
scales on their feet
eggs like other reptiles
by tissues similar to those
scales