Wonambi was a constrictor which means that it did not use venom but instead wrapped itself around its prey and tightened its grip so that its prey could not breathe in. Another theory however is that the pressure of the snake squeezing the chest actually causes cardiac arrest … Diprotodon the Giant ... this is to encourage new plants to rise up out of the ash which have lush growths that are easier to collect and eat than established tougher plants. However the new plants that grow immediately in place are not suited for all herbivores and the plants like some that Diprotodon … The two largest species, Dinornis robustus and Dinornis novaezelandiae, reached about 3.6 m (12 ft) in height with neck outstretched, and weighed about 230 kg (510 lb). South Island giant moa ranged widely across all vegetated habitats from coastal dunes to inland shrublands, forests, and subalpine herbfields and grasslands in the South Island and on D'Urville Island. The moa were nine species (in six genera) of flightless birds endemic to New Zealand. Anatomy Therizinosaurus had a small head with a beaked mouth, atop a long neck. There were eleven species (in six genera) of Moa.The largest and best known were the genus Dinornis, which grew up to 3.6 meters (12 feet) tall, and weighed as much as 230 kilograms (510 pounds).. The two largest species, Dinornis robustus and Dinornis novaezelandiae, reached about 3.6 m in height with the neck outstretched, and weighed about 230 kg. Dinornis is an extinct genus of ratite birds. Both the giant moa species (genus Dinornis) had longer, stronger necks than the other moa species, with three extra vertebrae. Bones have commonly been found in alpine areas, but it is also known to have occupied steep coastal areas of the South Island. They like mealworms but earthworms are definitely the hit. The group of birds to which the moa belong had been in existence since the Cretaceous period. It was bipedal and had a large, heavy, deep body, as evidenced by the wide pelvis, 2.5 meter (8 foot) long arms and legs that ended in four toes (three of which supported the animal's weight), which were tipped by short, curved claws. The moa were nine species (in six genera) of flightless birds endemic to New Zealand. Its official name – Dinornis robustus – is translated as meaning “strange & robust bird.” It was considered to have been one of the largest moas to have roamed for thousands of years in New Zealand. The only one that doesn't eat them is the rooster, but he likes to eat mealworms. The population did just fine before we humans reached New Zealand. Right: Skull of Dinornis robustus. The moa were large flightless birds.They lived only in New Zealand, and are now all extinct.. I can't dig in my vegetable garden without an army of hens just waiting to snatch an earthworm from under my spade. DNA evidence suggests that moas are related to South American tinamous. Giant Moa is an extinct bird that was discovered in the early 19 th century and was named by Richard Owen in 1843. They are ostrich-like birds of gigantic size, known as Moa. Above: The upland moa Megalapteryx didinus was relatively small, weighing 14 to 63 kg. They were unique to New Zealand. New video footage suggests that dodos might not actually be extinct! My dog has also taking a liking to oatmeal that I give to the chickens as a treat. It is the only moa with leg feathers down to its' ankles. Moa, any of several extinct ostrichlike flightless birds native to New Zealand that make up the order Dinornithiformes. They ranged in size from that of a turkey to larger than an ostrich; some stood as tall as 3 meters (10 feet).