Table S3.

Structure of Dataset S1

Column name	Explanation
Species.ID.number	Unique species ID number in the IUCN Red List
Class	Taxonomic class
Order	Taxonomic order
Family	Taxonomic family
Genus.species	Species name
Red.List.status	Status on the Red List v2014.3 (VU, vulnerable; EN, endangered; CR, critically endangered; EX, extinct; EW, extinct in the wild)
Island.endemic	1, species is an island endemic; 0, species is found on continents, either wholly or partially.
Region	See Table S2
Predator	See Table S1 for species codes. “Generic” refers to an unidentified species, and “Pooled” is the strongest impact ranking and its associated weight for each threatened species.
Impact	Predator impact rankings taking values of 0.25, 0.75, 1.0 (Data Collation).
Weight	Weighting of predator impacts taking values of 1, 10, 100, 1000 (Statistical Analyses).
Inverse.Weight	The inverse of weight values.
References	Reference numbers corresponding to the reference list in Dataset S4.