Was interested to know more about the information in this quote on the Whipsnade thread: Finally, ZSL has a responsibility to the wider zoo community. Within Europe, taxa such as Andean Bear, Hartmann's Mountain Zebra and Addax - all animals of conservation importance - need further collections to hold stock. Do we know of which species currently managed as ESB or EEPs that require more holding space in Europe? Is there a list of recommendations available to the general public/interested zoo nerds? Even a vague list would be nice. The only species that I had previously heard at a TAG meeting that had definitely required extra holders was Rodriguez flying foxes, specifically for bachelor groups. Not sure if this is still the case.