The Angkor Centre for Conservation of Biodiversity (ACCB) is a conservation centre of Allwetterzoo Münster, Germany. It has ex situ populations of several critically endangered species like Indotestudo elongata, Batagur affinis, Pseudibis gigantea and Pseudibis davisoni. Moreover, ACCB has started re-introduction programes and is doing in situ monitoring work as well.