Fill in the table “External structure of the bird”

Body divisions New formations Value
Head Beak (bony jaws covered with horny sheaths – beak and mandible) Grabbing food
Eardrum (eardrum inside) Organ of hearing
Leather Dry, glandless (only the coccygeal gland is present) The coccygeal gland secretes a secret that serves to lubricate feathers
Front limbs Transformed into feather-covered wings Flight attachment
Body shape Streamlined, small head, long feathers on the tail Flight attachment
Hind limbs As a rule, they are devoid of feathers, there are claws on the fingers Serve to hold on the ground, tree branches
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