Nests inside and on top of the Cinereous vulture and Western Eurasian griffon vulture, 2025-03-23

This sounds like a very nice big aviary. I don't think I've seen an aviary in the U.S. that is a combination of White Stork, Cinereous Vulture, and one species of griffon vulture!

@Summer Tanager The white storks are not in this aviary actually. These are storks from a free-ranging (and largely migrating) colony of several hundreds on the grounds of Planckendael and in surrounding areas.

@Summer Tanager

This particular aviary doesn't have a stork x vulture mix, but it is pretty common in Europe as Vultures aren't aggressive and generally quite mixable.

Amersfoort has Eurasian griffons with Hamerkops, teals, little egrets and yellow-billed storks (among others) and Antwerp has Rüppel's griffons and Hooded vultures with multiple Whistling-ducks, Abdim's storks, doves, starlings and pond-herons (also among others)

@Mr Gharial Thank you both for your insights into these mixed-species exhibits! It's good to know that the White Storks are on the outside of the aviary and are free to come and go, while at the same time other European zoos have had great success mixing vultures with other birds! The griffon vultures look pretty intimidating to me, so I don't instinctively think about them mixing with other birds (except maybe Ostrich)! Thank you again

@Summer Tanager You could also take a look at the Taiga Aviary at GaiaZoo Kerkrade (Netherlands), they have Eurasian griffon vultures in a large aviary with a lot of other bird species, including other vultures, ibis, doves and waterfowl.

@KevinB Thank you! I'll see if I can find some photos of that aviary online (I bet there are). I appreciate your help and insights!

I just looked at the GaiaZoo Kerkrade photo gallery. You and Mr Gharial have some excellent photos for that zoo and the Tiaga Aviary! It's very impressive and has quite a collection of waterfowl, shorebirds, ibis, and a few other species such as Azure-winged Magpie all living together with Cinereous, Egyptian, and Eurasian Griffon Vultures! Thank you for pointing this out; and this looks like a phenomenal zoo!