Bird Digestion & FoodBy Mr. “I believe I can Fly” Chapman
Types of Feathers Feathers: 1. Contour feathers – give shape (aerodynamic) 2. Flight feathers – allow birds to fly 3. Down feathers – provide warmth 4. Powder-down feathers – make them waterproof (because of powder).
Bird Food Most diets consist of seeds/fruits or nectar. 2 Type of Seeds: 1. Cereal Seeds: high carbohydrates • Ex. Canary Seed, Millet, Corn 2. Oil Seeds: high fats, low carbs • Peanuts, Sunflower seeds
Bird Food To Soak Seed for baby birds: 1. Soak in warm water for 24 hrs 2. Water poured out and seeds wash with water. 3. Any uneaten seeds should be removed. 4. Wash container before another use.
Bird Digestion Birds do not have teeth to grind up food, so they swallow food whole. Food goes down the esophagus and into the crop. Crop is an enlargement of the esophagus.
Bird From the crop the food goes to the gizzard. Gizzard is where the food is crushed and grinded up. (Birds usually swallow rocks to help)
Bird Then into the small intestines, to large intestines, and out through the cloaca. Cloaca – opening used for reproduction and digestive waste (feces and urination).