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Clutch (eggs)

 
Clutch (eggs)

 
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Clutch (eggs)
 
 
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A clutch of eggs
Egg (biology)

In most birds and reptiles, an egg is the zygote, resulting from fertilization of the ovum. To enable incubation the egg is usually kept within a favourable temperature range as it nourishes and protects the growing embryo....
 refers to all the eggs produced by one bird
Bird

Birds are wing, Bipedalismal, endothermic , vertebrate animals that lay egg . There are around 10,000 living species, making them the most numerous tetrapod vertebrates....
 or reptile
Reptile

Reptiles, or members of the class Reptilia, are air-breathing, cold-blooded vertebrates that have skin covered in scale as opposed to hair or feathers....
 at a single time, particularly those laid in a nest
Nest

A nest is a place of refuge to hold an animal's Egg s and/or provide a place to live or raise offspring. They are usually made of some life material such as twigs, grass, and leaf; or may simply be a depression in the ground, or a hole in a tree, rock or building....
.

ch size will differ greatly between species
Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring....
, sometimes even within the same genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
. It may also differ within the same species
Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring....
 due to many factors including habitat
Habitat (ecology)

A habitat is an ecological or Natural_environment area that is inhabited by a particular animal or plant species. It is the natural environment in which an organism lives, or the physical environment that surrounds a species population....
, health, nutrition, predation pressures, and time of year. Clutch size variation can also reflect variation in optimal reproduction effort.






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A clutch of eggs
Egg (biology)

In most birds and reptiles, an egg is the zygote, resulting from fertilization of the ovum. To enable incubation the egg is usually kept within a favourable temperature range as it nourishes and protects the growing embryo....
 refers to all the eggs produced by one bird
Bird

Birds are wing, Bipedalismal, endothermic , vertebrate animals that lay egg . There are around 10,000 living species, making them the most numerous tetrapod vertebrates....
 or reptile
Reptile

Reptiles, or members of the class Reptilia, are air-breathing, cold-blooded vertebrates that have skin covered in scale as opposed to hair or feathers....
 at a single time, particularly those laid in a nest
Nest

A nest is a place of refuge to hold an animal's Egg s and/or provide a place to live or raise offspring. They are usually made of some life material such as twigs, grass, and leaf; or may simply be a depression in the ground, or a hole in a tree, rock or building....
.

Size

Clutch size will differ greatly between species
Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring....
, sometimes even within the same genus
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
. It may also differ within the same species
Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring....
 due to many factors including habitat
Habitat (ecology)

A habitat is an ecological or Natural_environment area that is inhabited by a particular animal or plant species. It is the natural environment in which an organism lives, or the physical environment that surrounds a species population....
, health, nutrition, predation pressures, and time of year. Clutch size variation can also reflect variation in optimal reproduction effort. Long lived species tend to have smaller clutch sizes than short lived species (see also r/K selection theory
R/K selection theory

In ecology, r/K selection theory relates to the natural selection of Trait s which promote success in particular environments. The theory originates from work on island biogeography by the ecologists Robert MacArthur and E....
). The evolution of optimal clutch size is also driven by other factors such as parent-offspring conflict
Parent-offspring conflict

Parent-offspring conflict is a term used to signify the evolutionary conflict arising from differences in optimal fitness of parents and their offspring....
.

Clutch size recorded in ornithological
Ornithology

Ornithology is the branch of zoology concerned with the study of birds. Several aspects of the study of ornithology differ from closely related disciplines, due partly to the high visibility and the aesthetic appeal of birds....
 field notes may or may not include lost or broken eggs.

Gallery


See also

  • Oology
    Oology

    Oology, or o?logy is the branch of zoology that deals with the study of Egg s, especially birds' eggs. It can also be applied to the hobby of collecting wild birds' eggs ....
     (the scientific study of eggs)
  • Vivipary
    Vivipary

    A viviparous animal is an animal employing vivipary: the embryo develops inside the body of the mother, as opposed to outside in an Egg ....
  • Nest
    Nest

    A nest is a place of refuge to hold an animal's Egg s and/or provide a place to live or raise offspring. They are usually made of some life material such as twigs, grass, and leaf; or may simply be a depression in the ground, or a hole in a tree, rock or building....