Linked from
The 20 pages that link to Wallace Line, each with the reason it gives.
WallaceaRelated: It marks the western boundary where Wallacea’s fauna changes sharply.
Malay ArchipelagoRelated: Deep-water channels maintained a faunal divide even when sea levels fell.
Banda SeaRelated: It passes through the wider Indonesian region near the Banda Sea.
Sunda IslandsRelated: It marks a sharp faunal transition across the archipelago.
White-eyeRelated: White-eye diversity spans regions on both sides of this boundary.