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 myna are regularly observed to usurp nests and hollows, destroy the eggs and kill the young of native bird species including seabirds and parrots. There is evidence that Mynas have killed small land mammals such as mice, squirrels and possums, but further research on these occurrences are under consideration. In Sanskrit literature, the common myna has a number of names, most are descriptive of the appearance or behaviour of the bird. In addition to "saarika", the names for the common myna include "kalahapriya", which means "one who is fond of arguments" referring to the quarrelsome nature of this bird; "chitranetra", meaning