Write general characteristics of the class Aves.
Answers
Orinithology is the study of birds.
Here are some features of class aves-
• Each and every bird is included in the class aves.
• The body of the birds is streamline which help them in flying.
• Stratum corneum gives origin to the feathers.
• Animals under class aves are warm blooded which means they have capability to defend temperature of the body.
• Skin of this class animals is not moisten also they have only one gland that is oil gland.
• They have syrinx at the intersection of bronchi and trachea.
• Four chambered heart is found.
• Generally in all birds urinary bladder and copulatory organ are absent.
• They produce offsprings through eggs which means they are oviparous animals.
• Well marked parental care is found.
• Internal fertilization is found.
• Sexual dimorphism is generally present.
• They are unisexual animals.
• Interesting fact that copulatory organ generally are absent in males.
Examples- Crow, Vulture, Parrot, Peacock, Pigeon etc.
