We bury them in summer, about 1 foot deep. At this time of year, we put them on a bonfire pile. They burn efficiently. I always put a sprig of lavender with them, whether it is burial or burning. They smell a little bit at the start of the burn when the feathers burn. After that it doesn't smell at all. ONly the first minute or so, if the fire is going properly. Personally, I want to be cremated, so it doesn't bother me to burn them. Ashes to ashes, dust to dust. I always say a prayer to Mother Earth when I lay them on the fire.