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Ostrich eggs are the largest of all eggs, [4] though they are actually the smallest eggs relative to the size of the adult bird — on average they are 15 cm (5.9 in) long, 13 cm (5.1 in) wide, and weigh 1.4 kilograms (3.1 lb), over 20 times the weight of a chicken's egg and only 1 to 4% the size of the female. [5]
They are the heaviest and largest living birds, with adult common ostriches weighing anywhere between 63.5 and 145 kilograms and laying the largest eggs of any living land animal. [3] With the ability to run at 70 km/h (43.5 mph), [ 4 ] they are the fastest birds on land.
The common ostrich is the largest and heaviest living bird. Males stand 2.1 to 2.75 m (6 ft 11 in to 9 ft 0 in) tall and weigh 100 to 130 kg (220 to 290 lb), whereas females are about 1.75 to 1.9 m (5 ft 9 in to 6 ft 3 in) tall and weigh 90 to 120 kg (200 to 260 lb). [20]
A large male ostrich can reach a height of 2.8 m (9.2 ft) and weigh over 156 kg (344 lb). [47] A mass of 200 kg (440 lb) has been cited for the ostrich but no wild ostriches of this weight have been verified. [2] Eggs laid by the ostrich are the largest in the world, weighing 1.4 kg (3.1 lb).
After mating, the male builds a nest where each female lays eggs. The nest is a simple scrape in the ground, lined with grass and leaves. [15] The male incubates from ten to 60 eggs. The male will use a decoy system and place some eggs outside the nest, then sacrifice these to predators so they do not attempt to get inside the nest.
Masai ostrich eggs are large (grapefruit-sized) and white in color. [10] [18] They measure 14–16 cm and weigh between 1.0 and 1.6 kg. [19] Egg hatching occurs during October and November, when eastern Africa experiences brief periods of rainfall that generates edible plants that are the Masai ostriches primary food source. [10]
The Lego Friends calendar comes with five figurines and three animals, including a bunny and a cat. The included toys make up a wintery scene, complete with a guitar-playing musician, a toy train ...
The stoat (Mustela erminea) and long-tailed weasel (Neogale frenata) steal ducks' eggs. Ostrich eggs are vulnerable to many predators ranging from mongooses and Egyptian vultures, to hyenas. [20] Snakes of the genera Dasypeltis and Elachistodon specialize in eating eggs. Humans have a long history of both eating wild bird eggs and raising birds ...