well-developed eyes and a keen sense of vision that they rely upon to find and capture food, avoid predation, locate shelter and find a mate They average about 20 to 30 inches (51 to 76 centimeters) long and around 8 pounds (3.6 kilograms), but can grow as long as 4 feet (1.2 meters) and weigh up to 53 pounds (24 kg
•A wide head and large mouth
•Two big, bulging eyes
A short body with only eight or nine bones in the spine
Two extra bones in the ankle area that make their long legs even longer
green iguana can weigh up to 18 pounds (8 kg) and can reach a length of five to seven feet (1.5 to 2 m).
Bluebirds also have reddish, orange breasts Bluebirds have black feet, and beaks
It has long arms and claws
They are 42 - 60 centimeters long, and weigh from 2.25 to 6.3 kilograms Their head is round, with a flat nose and small ears
Animal behaviors
survive on insects, crustaceans, and small fish. Their populations are healthy worldwide and they have no special status or protections. However, they are now considered a non-native pest species in some areas where they have been introduced
Well the frog usually will eat insects for example, flies, mosquitoes, beetles, and various others. The frog tends to jump a lot and will talk to other frogs by means of their "croaking". Frogs are one interesting animal.
Combination of hissing and clicking is made by iguanas with their mouths wide open. This behavior signals a warning or defensive posture
Mountain Bluebirds forage from perches, like other bluebirds, to snatch food from ground, vegetation, and mid-air
They sleep 15-20 hours a day
After waking up, they sometimes remain motionless an therefore sometimes don't move at all during an entire day They make long, high-pitched sounds that sound like “ahhheee in the forest
Reproductive process
reach sexual maturity earlier than most other trout, including those charr with the trout name. Spawning usually takes place towards the end of their first year. They are usually between 12 and 16 inches/30 and 40 cm long
•The female lays her spawn, the male releases his sperm at the same time to fertilize the eggs and, after the adults have left the water, the eggs hatch into tadpoles. They eventually grow legs, lose their tails and come out of the water to make their home in the surrounding countryside
The annual reproductive cycle involved four stages which alternated between a maximum and a minimum of spermatogenesis. During the cycle, there was an inversely proportional relationship between the development of the seminiferous tubules and the interstitial tissue
Males scout out possible nest cavities; females choose. Because studies have focused on nest boxes, ornithologists know relatively little about Mountain Bluebirds’ preferences among natural nesting cavities. Males show interest in all cavities within their territory, from knotholes to small rock fissures. Generally they prefer dry cavities in open grassland within 3 feet of the ground