The new plans combine facilities which are currently spread out over the site.
The GSPCA says it is seeing an increase in the number of rabbits and guinea pigs being left at the shelter during the summer months.
Durrell is working with two key lemur habitats in Madagascar, after warnings that every species of lemur is under threat of extinction.
The Jersey Hedgehog Preservation group has asked islanders to help hedgehogs by providing food and water for them.
A "very large" albino corn snake has been rescued by the GSPCA.
More than 1,000 visitors and islanders are in Sark this weekend for the traditional sheep racing, which kicked off today.
An Asian Hornet nest, about the size of a football, has been found in Guernsey.
The JSPCA are looking after the two squirrels after they were brought in by a member of the public.
The GSPCA are urging islanders to pop a shallow bowl out to help those thirsty spiky friends.
The technology has been tested in Jersey and has led to five nests being discovered.