Fill in the Blanks Animals Online version Birds by Nuria AC 1 fish sit eat babies oviparous fly eggs beaks Birds lungs food carnivores beaks warm omnivores herbivores waterproof grows feathers beaks on Birds are . They incubate their . This means they the eggs to keep them while the baby inside . Birds can be , or . Adult birds find for their until they can find their own food . Birds breathe with their . Birds have and wings , but not all birds can . Some can swim or run . use their feathers for flying , keeping warm and attracting other birds . All feathers are . Birds have . Birds of prey have hooked beaks for tearing meat . Birds that nuts and seeds have short beaks . Birds that catch have long , sharp , and birds that eat nectar from flowers have long , thin .