shellkr  filed a deletion request for minetest-mod-animalmaterials- git :
Upstream seems to have removed all sources and I can not find any alternative ones. It has not been maintained for a year or so and have started to bug. Seems abandoned...
 https://aur.archlinux.org/account/shellkr/  https://aur.archlinux.org/pkgbase/minetest-mod-animalmaterials-git/
Request #13419 has been accepted by polyzen .