Bird eggs are laid by the females and range in quantity from one (as in condors) to up to seventeen (the grey partridge). Clutch size may vary latitudinally...

live-bearing mammals), and mollusks lay eggs, although some, such as scorpions, do not. Reptile eggs, bird eggs, and monotreme eggs are laid out of water and are...

In 1659, Flacourt wrote of the "vouropatra – a large bird which haunts the Ampatres and lays eggs like the ostriches; so that the people of these places...

branch of ornithology studying bird eggs, nests and breeding behaviour. The word is derived from the Greek oion, meaning egg. Oology can also refer to the...

tells the story of Horton the Elephant, who is tricked into sitting on a bird's egg while its mother, Mayzie, takes a permanent vacation to Palm Beach. Horton...

hatch bird and reptile eggs. It lets the fetus inside the egg grow without the mother needing to be present to provide the warmth. Chicken eggs are recorded...

The phoenix is an immortal bird that cyclically regenerates or is otherwise born again. While it is part of Greek mythology, it has analogs in many cultures...

People in Southeast Asia began harvesting chicken eggs for food by 1500 BCE. Eggs of other birds, such as ducks and ostriches, are eaten regularly but...

have been verified. Ostrich eggs are the largest of any bird, averaging 1.4 kg (3.1 lb). The largest wingspan of any extant bird is that of the wandering...

approximately twice the size of a chicken's egg. Egging is the prehistoric practice of foraging wild-bird eggs. Gull egging is practiced (to varying degrees) in...

tortoises lay hard or soft eggs. Several species lay eggs which are nearly indistinguishable from bird eggs.[citation needed] The bird egg is a fertilized gamete...

Street. Alfred Bird's first major invention was egg-free custard in 1837. Alfred Bird used cornflour instead of egg to create an imitation of egg custard. It...

the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in...

incubation before the egg is cooked is a matter of local preference, but generally ranges between 14 and 21 days. A balut is a fertilized bird egg (usually a duck)...

The Boeing MH-6M Little Bird (nicknamed the Killer Egg) and its attack variant, the AH-6, are light helicopters used for special operations in the United...

contrast, bird eggs contain enough to supply the chick with nutriment throughout the whole period of incubation. In the oviparous animals (all birds, most...

The egg of the ostrich (genus Struthio) is the largest of any living bird (being exceeded in size by those of the extinct elephant bird genus Aepyornis)...

eaten by humans for thousands of years. Bird and reptile eggs consist of albumen (egg white) and vitellus (egg yolk), contained within many different thin...

mistaken for giant bird eggs (birds were not yet recognized as dinosaurs at the time). The first scientifically recognized non-avian dinosaur egg fossils were...

thickened calcium carbonate shell around their eggs. Because OC-17 is expressed by the hen and not the egg, the bird in which the protein first arose, though...

the title "eggs isolated on white background". On 4 January 2019, the @world_record_egg account was created, and posted an image of a bird egg with the...

Smoked egg is a food that involves the smoking of bird eggs and fish eggs. Smoked eggs can be prepared with boiled eggs that are then smoked, or by smoking...

two-branched feathers. Kiwi eggs are one of the largest in proportion to body size (up to 20% of the female's weight) of any order of bird in the world. Other...

Egg incubation is the process by which an egg, of oviparous (egg-laying) animals, develops an embryo within the egg, after the egg's formation and ovipositional...

including in fish, birds, snakes, mammals, and arthropods. Some species are specialist egg predators, but many more are generalists which take eggs when the opportunity...

to penetrate the eggshell from inside and break free. Birds, reptiles, and monotremes possess egg teeth as hatchlings. Similar structures exist in eleutherodactyl...

Egg tossing or egg destruction is a behavior observed in some species of birds where one individual removes an egg from the communal nest. This is related...

lay eggs that closely resemble the eggs of their chosen host. Some birds are able to distinguish cuckoo eggs from their own, leading to those eggs least...

and Guattari, a bird egg is an instance of life "before the formation of the strata", since changes in the qualitative elements of the egg will emerge as...

stories contain geese that lay golden eggs, though certain versions change them for hens or other birds that lay golden eggs. The tale has given rise to the...