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Vertebrates, Fishes, Amphibians, Reptiles and Birds
Feather
Feather definition: A structure on a bird’s skin that enables flight and gives it insulation.
Related Terms
Air Sac
Amniotic Egg
Carapace
Cartilage
Ectotherm
Endoskeleton
Endotherm
Gill
Jacobsons Organ
Lateral Line System
Operculum
Oviparous
Ovoviviparous
Plastron
Sternum
Swim Bladder
Tetrapod
Tympanic Membrane
Vertebrate
Viviparous
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