SNH says it is now investigating other sources of funding for a large scale removal project.
Hedgehogs are alien to the Hebrides but in 1974 four were introduced by a gardener in Daliburgh in South Uist to keep down slugs.
An extermination programme to kill them off was launched in 2003 but SNH later conceded to allow trapped hedgehogs to be kept alive and relocated on the mainland.
Before previous funding ended, North Uist was been effectively cleared of hedgehogs
but South Uist -
Video cameras set up near nests have caught alien hedgehogs redhanded, providing vital proof for the first time that they are actively hunting for baby birds and newly laid eggs.
Video: Hedgehog kills baby chicks
Video: Hedgehog hunting for eggs
Hedgehog removal plan in limbo
30 March 2017
Plans for a mass removal of hedgehogs from South Uist are in limbo due to a lack of funding.
A 10-
Caught hedgehogs would be relocated live to the mainland.
However, a bid for core European funding was unsuccessful and -