Effectiveness of predator removal for enhancing bird populations

Published source details Smith R.K., Pullin A.S., Stewart G.B. & Sutherland W.J. (2010) Effectiveness of predator removal for enhancing bird populations. Conservation Biology, 24, 820-829.
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This study is summarised as evidence for the following.

	Action	Category
	Remove or control predators to enhance bird populations and communities Action Link
	Control predatory mammals and birds (foxes, crows, stoats and weasels) Action Link

Remove or control predators to enhance bird populations and communities

A 2010 systematic review (Smith et al. 2010) found that removing predators tended to lead to increased reproductive success (hatching and fledging success) and breeding populations in birds. On mainlands, but not islands, predator removal also tended to increase post-breeding population size. Whether predators were native or not, the population trend of the bird population and whether the species was migratory or a game species did not affect responses to predator removal.
Control predatory mammals and birds (foxes, crows, stoats and weasels)

A 2010 global systematic review covering habitats including European farmland (Smith et al. 2010) found that removing predators tended to lead to increased reproductive (hatching and fledging success) success and breeding populations in birds. On mainlands, but not islands, predator removal also tended to increase post-breeding population size. Whether predators were native or not, the population trend of the bird population and whether the species was migratory or a game species did not affect responses to predator removal.