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Wallcreeper

life science Maturity 5-7 Next article →

The wallcreeper, known scientifically as Tichodroma muraria, is a unique songbird. It belongs to the order of passerine birds. This species is quite special in the animal kingdom. It is the only living member of its genus, Tichodroma. It is also the only living member of its family, Tichodromidae. These birds live in high mountain ranges. Their habitat stretches across the Palearctic region. This area reaches from southern Europe all the way to central China.

Wallcreeper (Tichodroma muraria) female composite Piatra Craiului
Wallcreeper (Tichodroma muraria) female composite Piatra Craiului

Scientists have spent a long time studying where the wallcreeper fits in nature. In 1766, Carl Linnaeus first classified it as a treecreeper. In 1811, Johann Karl Wilhelm Illiger gave it its own genus. Later, Karel Voous placed it in its own monotypic family. A monotypic family is a group that contains only one species. Other experts, like Charles Vaurie, suggested it belonged to the nuthatch family. A 2016 phylogenetic study found it is a sister species to the Sittidae family. This means they are very closely related. We even know of an ancient relative called Tichodroma capeki from the Late Miocene.

Wallcreeper (Tichodroma muraria) female composite Piatra Craiului
Wallcreeper (Tichodroma muraria) female composite Piatra Craiului

The name of this bird tells a story about how it lives. The genus name Tichodroma comes from Ancient Greek. It combines teikhos, meaning "wall," and dromos, meaning "runner." The specific name muraria comes from Medieval Latin. It means "of walls." Because of this, some people call it the red-winged wall creeper. There are two recognized subspecies of this bird. The European wallcreeper lives from Europe to western Iran. The Asian wallcreeper lives from Kazakhstan to eastern China. The Asian version is slightly darker than the European one.

Wallcreeper (Tichodroma muraria) female composite Piatra Craiului
Wallcreeper (Tichodroma muraria) female composite Piatra Craiului

Wallcreepers have very distinct physical features. Their bodies are primarily blue-grey. They have darker feathers on their flight and tail sections. The most famous part is their crimson wings. These wings have bright white spots. These colors are mostly hidden when the bird folds its wings. In the summer, males have a black throat. Females can have a white throat or a small dark patch. In the autumn and winter, both sexes have white throats. Their tails are short and black with a narrow white fringe.

These birds have a very specific way of finding food. They are insectivores, which means they eat insects. They also eat spiders and other small invertebrates. They find this food by gleaning it from rock faces. To move, they use short flights and quick hops. They often move with their wings partially spread. Sometimes they will even chase flying insects from a perch. They are very good at living on steep cliffs. This behavior allows them to thrive in high mountain environments.

Wallcreeper (Tichodroma muraria) female composite Piatra Craiului
Wallcreeper (Tichodroma muraria) female composite Piatra Craiului

Life in the mountains requires careful planning for breeding. The female builds a cup-shaped nest. She uses grass and moss for this task. The nest is hidden deep inside a cave or a rock crevice. She lines the nest with soft materials like wool or feathers. She usually lays between four and five white eggs. These eggs are 21 mm long and have dark speckles. The female incubates the eggs for about 19 to 20 days. During this time, the male brings her food. The babies are altricial, meaning they are born blind and helpless. Both parents feed the nestlings for 28 to 30 days.

Wallcreepers are highly territorial animals. During the summer, pairs work together to defend their breeding area. In the winter, they live a more solitary life. They defend individual feeding territories during the colder months. These territories can be one large rock massif. They might also consist of several smaller quarries. Some birds show site fidelity to these winter areas. This means they return to the same feeding spots every year. They are often quite tame, but they are hard to spot on cliffs. They will hide if they feel they are being watched.

Wallcreeper (Tichodroma muraria) female composite Piatra Craiului
Wallcreeper (Tichodroma muraria) female composite Piatra Craiului
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🖼️ Images & Media (3)
File:Wallcreeper (Tichodroma muraria) (27844633078) (cropped).jpg
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File:Wallcreeper (Tichodroma muraria) female composite Piatra Craiului.jpg
Wallcreeper (Tichodroma muraria) female...
File:Tichodroma muraria  MHNT.ZOO.2010.11.184.1.jpg
Tichodroma muraria MHNT.ZOO.2010.11.184.1.jpg
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