hornero`s mud-nest over a tree branch.

abandoned above alosito america april architect architectonic architecture argentina art artwork barro base bird birdie branch brazil build building built casero cave combined construction couple distributed egg eggs engineer fauna fibers furnarius hole home hornero horsehair house joao june magnificent mane manure marvellous materials migratory mud native nature nest non oven ovenbird pair rocks rufus saliva sedentary silk small south spit tree treehouse uruguay vegetal wild