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Oology (/ oʊ ˈ ɒ l ə dʒ i /; [1] also oölogy) is a 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 hobby of collecting wild birds' eggs, sometimes called egg collecting, birdnesting or egging, which is now illegal in many ...
A nest is a structure built for certain animals to hold eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of organic material such as twigs, grass, and leaves, or may be a simple depression in the ground, or a hole in a rock ...
Deep cup nest of the great reed-warbler. A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American robin or Eurasian blackbird, or the elaborately woven hanging nest of the Montezuma oropendola or the village weaver—that is too ...
Here are three strategies that the richest Americans use — and you can borrow — to help get your nest egg to the size you need for a comfy retirement. Leverage tax-deferred growth.
Once it has breached the egg's surface, the chick continues to chip at it until it has made a large hole. The weakened egg eventually shatters under the pressure of the bird's movements. [183] The egg tooth is so critical to a successful escape from the egg that chicks of most species will perish unhatched if they fail to develop one. [180]
The wise strategy is not to sit passively on your hefty nest egg, but to continue growing it. Here are five savings strategies you can consider to help you get there. Leverage tax-deferred growth
According to a January 2024 AARP survey, more than half of seniors are concerned about outliving their nest eggs. Don't miss Commercial real estate has beaten the stock market for 25 years — but ...
Their eggs are unusual in having a large yolk, making up 50–70% of the egg weight. [5] The birds are best known for building massive nest mounds of decaying vegetation, which the male attends, adding or removing litter to regulate the internal heat while the eggs develop.