Write the kingdom, phylum and class for Pigeon. Write the characteristics of birds that are suitable for flying.

Explanation

Kigdom : Animalia
Phylum : chordata Class.Aves
The forelimbs are modified into wings,
The hind limbs are adapted for walking, running, and swimming and perching.
The endoskeleton is fully ossified (bony) and the long bones are hollow with air cavities.
The pectoral muscles of flight (pectoralis major and pectoralis minor) are well developed.
The skin is dry and devoid of glands except the oil gland or preen gland at the base of the tail.
The exoskeleton consists of epidermal feathers, scales, claws on legs and the horny covering on the beak. Respiration is by compact, elastic, spongy lungs that are continuous with air sacs to supplement respiration.
The heart is four chambered. Aves are homeothermic.
Urinary bladder is absent.