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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]
Ostrich farming in North America began in the late 19th century, initially focusing on the production of feathers, which were highly prized for fashion accessories. [3] The first ostrich farm was established by Charles Sketchley in California where the climate was similar to the ostriches' native habitat in Africa. [ 4 ]
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 eggs measure about 9 by 14 cm (3.5 by 5.5 in) – only ostrich and emu eggs are larger. The male incubates those eggs for 50–52 days, removing or adding litter to regulate the temperature, then protects the chicks, which stay in the nest for about 9 months. He defends them fiercely against all potential predators, including humans.
The oldest ostrich at American Ostrich Farms, which died this year, was 7 years old, Henderson said. Ostriches in captivity have an average lifespan of 50 years, according to the California ...
A large male ostrich can reach a height of 2.8 m (9.2 ft) and weigh over 156 kg (344 lb). [49] 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).
As of Jan. 1, the country had 304 million laying hens producing table eggs, down 2% from a year earlier and 11% from five years ago, according to USDA data. HOW HIGH ARE PRICES?
Ostrich eggs are the largest of all eggs, [68] 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 kg (3.1 lb), over 20 times the weight of a chicken's egg and only 1 to 4% the size of the female. [69]