Meanings of little snuffling in English

He made little snuffling noises now and then, but he seemed perfectly at ease between them.

Elizabeth looked from her father and stepmother to the massive gold cradle by the bed, from which came funny little snuffling sounds.

The whining turned to a little snuffling howl, and there in his arms instead of a child, lay a newborn wolf cub.

Astrardente watched him keenly, and as he noticed the indifference of Saracinesca's look, he gave a curious little snuffling snort that was peculiar to him.