Artis Zoo Amsterdam is 1 of 5 ZTL collections to have had common lesser toads and Indian bullfrogs
1 of 4 to have had Hose's frog and squirrel tree frog
1 of 3 to have had lesser foam, Mascarene grassland, Muller's clawed and marbled poison frogs
1 of 2 to have had an African groove-tooted frog, Spanish fire salamander and Gravenhorst's golden-backed frog
And the only one to have had blackbelly and Californian giant salamanders, Houston toad, northern dwarf siren, Rosenberg's tree frog, Malayan wart frog, yellow-belied puddle frog and broken-striped newt
1 of 4 to have had Hose's frog and squirrel tree frog
1 of 3 to have had lesser foam, Mascarene grassland, Muller's clawed and marbled poison frogs
1 of 2 to have had an African groove-tooted frog, Spanish fire salamander and Gravenhorst's golden-backed frog
And the only one to have had blackbelly and Californian giant salamanders, Houston toad, northern dwarf siren, Rosenberg's tree frog, Malayan wart frog, yellow-belied puddle frog and broken-striped newt
