nestling
noun
[ ˈnɛs(t)lɪŋ ]
• a bird that is too young to leave its nest.
• "buntings, their throats bulging with food for hungry nestlings"
nestle
verb
• settle or lie comfortably within or against something.
• "the baby nestled in her arms"
Origin:
Old English nestlian, from nest; compare with Dutch nestelen .