There are 2 sniffers in my Bedrock realm, they have been hatched for several months but have never found seeds. They walk around doing their default animations and sounds but not once have they ever dug. I have taken them to all biome types since my base is in a desert, as well as new area's that I had not explored before and I have tried placing all the respective blocks in which they should dig from as well but still we have never had anything from them.