moulted
Lost old feathers
Moulted is the past tense of moult, the British spelling of molt.
To moult is to shed feathers, skin, or an outer covering as part of a natural growth cycle: The snake had recently moulted.
Birds moult old feathers to grow new ones; insects moult their exoskeletons.
The spelling molt is standard in American English.
Bird's lightweight covering
- furAnimal body hair
- skinBody's outer layer
- carapaceProtective dorsal exoskeleton
- exoskeletonExternal skeletal structure
shell · scales · plumage · down · quills · husk · keratin · dander
Recurring at fixed intervals
- autumnPost-summer cooling period
- migrationMovement to new territory
- breedingReproductive cultivation of organisms
- plumageBird's complete feather coat
camouflage · adaptation · nesting · life cycle · annual · periodic · instinct · spring
Biological self-repair process
- regrowthGrowing back again
- replacementWhat takes another's place
- new growthRecently sprouted plant material
- emergingComing into view
transformation · rebirth · revitalization · rejuvenation · restored · replenished
Arthropod developmental stage
- larvalOf early insect stages
- pupalOf metamorphic dormancy
- nymphNature spirit or larva
- chitinArthropod shell polymer
hormones · arthropods · crustaceans · reptiles · birds · insects · invertebrates · snakes
feathers
Bird's lightweight covering
exoskeleton · shell · scales · plumage · down · quills · husk · keratin · dander · castoff
seasonal
Recurring at fixed intervals
- autumnPost-summer cooling period
- migrationMovement to new territory
- breedingReproductive cultivation of organisms
plumage · camouflage · adaptation · nesting · life cycle · annual · periodic · instinct · spring · timing
regeneration
Biological self-repair process
- regrowthGrowing back again
- replacementWhat takes another's place
- new growthRecently sprouted plant material
emerging · transformation · rebirth · revitalization · rejuvenation · restored · replenished
instar
Arthropod developmental stage
chitin · hormones · arthropods · crustaceans · reptiles · birds · insects · invertebrates · snakes · lobsters
moultedunfeathered
Lacking plumage
growing · regrown · developing · fully-fledged · regenerating