EntdeckenAmphibien

Wehrle'S Salamander

plethodon wehrlei

Wehrle's Salamander (Plethodon wehrlei) is a fascinating lungless salamander native to the forested slopes of the Appalachian Plateau in eastern North America. Lacking lungs entirely, this amphibian breathes through its moist skin and the lining of its mouth, which makes it highly dependent on cool, damp forest environments. They are typically found under rocks, rotting logs, or deep within damp crevices, and are known to occasionally inhabit the twilight zones of caves. During the night, especially after rain, Wehrle's Salamanders emerge to forage across the forest floor. They display a highly secretive lifestyle, spending much of the drier and colder months underground in deep soil fissures. Their evolutionary adaptation to a completely terrestrial lifecycle—bypassing the aquatic larval stage entirely—highlights their unique success in temperate deciduous forests.

Lebensraum: Found in mature, moist deciduous and mixed forests, typically sheltering beneath rotting logs, rocks, or inside rocky crevices and cave entrances on steep hillsides.

Aussehen

This medium-to-large woodland salamander typically measures between 10 to 17 centimeters in total length. It features a slender body with a long, rounded tail and a dark brown to bluish-black base coloration. A hallmark characteristic is the presence of scattered, irregular white or light-yellow spots or blotches along its sides, which sometimes extend onto the back. The throat and chest are generally a light gray or white, while the belly is a solid dark gray, helping to distinguish it from similar-looking species.

ReichAnimaliaStammChordataKlasseAmphibiaOrdnungCaudataFamiliePlethodontidaeGattungPlethodon
Wehrle'S Salamander
Wehrle'S Salamander

Kategorie

Amphibien

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

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Interessante Fakten

Because they breathe entirely through their skin, they must remain in damp environments; dry air is quickly fatal to them.

They exhibit direct development, meaning mothers lay their eggs on land, and tiny, fully-formed salamanders hatch out, skipping the aquatic tadpole stage entirely.

Wehrle's Salamander is named after R.W. Wehrle, who first collected the species in Indiana, Pennsylvania, in 1911.

Besondere Fähigkeiten

Fähigkeit

Cutaneous Respiration

Lacking lungs, this species absorbs oxygen directly through its highly vascularized moist skin and mouth lining.

Fähigkeit

Tail Autotomy

In response to predators, it can cleanly shed its tail, which continues to wiggle and distract the threat while the salamander escapes.

Fähigkeit

Direct Development

Its eggs are laid in moist terrestrial cavities and hatch directly into miniature adults, completely bypassing the aquatic tadpole stage.

Maße und Details

Länge
10-17 cm
Gewicht
0.003-0.01 kg
Lebenserwartung
10-15 Jahre
Gelegegröße
8-22
Brutzeit
60-90 Tage

Ernährung und Fütterung

It primarily feeds on a wide variety of small terrestrial invertebrates found in leaf litter and rotting wood, foraging actively at night.

Altersunterschiede: Juveniles consume smaller soil micro-arthropods like mites and springtails, transitioning to larger insects and earthworms as they grow.

Hauptnahrung

  • Ants
  • Beetles
  • Spiders
  • Centipedes
  • Mites
  • Earthworms

Nahrungssuche

  • Foraging

Ökologische Zusammenhänge

eaten by

Ring-necked Snake

Diadophis punctatus

This small woodland snake is a common predator of Wehrle's Salamander.

competitor

Eastern Red-backed Salamander

Plethodon cinereus

Competes directly for territory, nesting sites, and small invertebrate prey in shared forest floor habitats.

hunts

Forest Ground Beetle

Carabus sylvosus

A forest floor beetle that is actively hunted and consumed by Wehrle's Salamander.

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Sicherheit

Gefahr

1/5 · Sehr gering

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Häufig gestellte Fragen

Wie identifiziert man Wehrle'S Salamander?

Der einfachste Weg, Wehrle'S Salamander zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Wehrle'S Salamander?

10-17 cm

Was ist der/die/das gewicht von Wehrle'S Salamander?

0.003-0.01 kg

Was ist der/die/das lebenserwartung von Wehrle'S Salamander?

10-15 Jahre

Was frisst Wehrle'S Salamander?

It primarily feeds on a wide variety of small terrestrial invertebrates found in leaf litter and rotting wood, foraging actively at night.

Wo findet man Wehrle'S Salamander normalerweise?

Found in mature, moist deciduous and mixed forests, typically sheltering beneath rotting logs, rocks, or inside rocky crevices and cave entrances on steep hillsides.

Wie jagt Wehrle'S Salamander?

Foraging

Was ist der/die/das gelegegröße von Wehrle'S Salamander?

8-22

Snap-Karte

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