Newmilns population can be found nearby. To the west of Newmilns, local residents have sighted kingfishers along the riverbank which, although elusive, are a popular aspect of the river's biodiversity. Newmilns is also home to a large bird population. The jackdaw is perhaps the most common resident and can be found nesting and feeding in buildings and gardens throughout the town. Accompanying the jackdaw are its close relatives, crows and rooks (rooks are generally found on the outskirts of Newmilns) alongside a variety of other birds including the swift, swallow, sparrowhawk, wren, dunnock, robin, starling, pied wagtail, spotted flycatcher, magpie, dipper,
Common ostrich other members of Palaeognathae and thus the flighted tinamous are the sister group to the extinct moa. It is distinctive in its appearance, with a long neck and legs, and can run for a long time at a speed of or even up to about , the fastest land speed of any bird. The common ostrich is the largest living species of bird and lays the largest eggs of any living bird (extinct elephant birds of Madagascar and the giant moa of New Zealand laid larger eggs). The common ostrich's diet consists mainly of plant matter, though it also eats