Gecko
Gecko :
The
plural of gecko, gecko, or gecko poison, are all names that describe more than
1,000 species of small, soft-skinned lizards.
They
are often nocturnal animals.
They
are spread on all continents of the world except the Antarctic continent, and
they can adapt to live in mountains, deserts, and rainforests.
The
gecko can be scientifically classified as belonging to the order Geckos, which
falls under the order Squamata, which belongs to the class of reptiles, which
belongs to the class of tetrapods, under the lower phylum Jawd vertebrates,
which belongs to the phylum Vertebrates, which falls under the phylum Chordata,
which in turn falls under the kingdom Lower deuterostomes, belonging to the
kingdom of bilaterians, which eventually falls under the animal kingdom.
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| Gecko |
Al-Wazagh families:
The
suborder (under the order) of geckos to which the gecko belongs includes 7
families:
the
carvodactylid family :
It includes 7 genera that contain 30
species of distribution, all of which live in Australia:
the Diplodactylid family :
It includes 25 genera, including 3
genera that have recently branched into several new genera, and includes 138
species of geckos, and its members live in New Zealand, Australia, and New
Caledonia.
What makes geckos special?
The family of eyelid eutherians :
It includes 6 active genera, and its
first appearance was in the Oligocene era.
The
fossil record database contains one fossil belonging to this family, and its
members are spread throughout Europe, Asia,
Africa,
and North America.
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Gecko family :
It includes 56 genera of geckos, and
appeared for the first time approximately 59 million years ago.
The
fossil records database contains 123 samples of members of this family.
This
type of gecko feeds on insects, and in turn forms food for each Indian wolf
snake, and it can be found Members of the gecko family in Asia, Europe, Africa,
Australia, and the Americas.
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Philodactylide family :
It includes 10 genera that live in Australia, Africa, and North and South America.
gecko
sound
Gekkonidae
The Severodactylid family :
It includes 12 genera, spread in
Europe, Asia, Africa, and the Americas.
Leopard
gecko
Gecko
lizard
Tokay gecko
Legless lizards :
It includes 7 genera living on the continent of Australia.
:Formal characteristics of the gecko
Below
are the most important morphological characteristics of the gecko:
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Size:
There are geckos of varying sizes;
The length of its smallest species, the dwarf gecko, does not exceed 1.6 cm,
and its weight reaches 120 mg.
As for the gecko, which is considered one of the types of gecko :
Giant of New Caledonia:
Its body length ranges from the head to the end of the tail between 35.5-43 cm, and its weight ranges between 212-279 g.
Eyes:
The gecko has large, swollen eyes
without eyelids, so it cannot blink.
The
eye is covered with a transparent membrane or scales to protect it.
The
gecko licks it with its tongue to clean it.
The
eye also contains a longitudinal pupil that the gecko can control to become
like a small incision that prevents harmful sunlight from penetrating the eye.
The
pupil in some types of geckos consists of overlapping edges that can be
completely closed، In this case, it is possible
to see through small holes located on the tips of the pupil.
The
structure of the nocturnal gecko’s eye differs from the diurnal gecko.
The
nocturnal gecko has a large pupil and a short focal length.
Which causes short-wave light to be focused closer to the lens compared to long-wave light, and thus the image formed on
gecko
pet
Lizard
gecko meaning
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the retina is not clear, which requires the presence of multifocal visual
systems :
The night gecko has to correct it and
increase its clarity.
As for the eyes of the diurnal gecko,
they are characterized by the presence of small cones - a type of photoreceptor
- with a circular pupil in shape and small in size, and small eyes compared to
the size of their body.
Because their pupil is small in size compared to the focal length, it is not greatly affected by
pigeon species and The most expensive songbirds
the color pattern that distorts the image formed.External appearance:
The body of the gecko is covered with
skin consisting of a large number of very small protrusions.
As
for the toes, they contain sticky cushions that help it climb trees and rocks,
noting that the ability of the fingers to stick varies from one species to another.
As
for the tail, its length and shape vary according to the species.
The tail can be short and blunt, long, tapered, or spherical.
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