In feeding trials opossums were presented three different species of salamanders [Plethodon dorsalis, Desmognathus fuscus
, Notophthalmus viridescens (both eft and adult stages)] and the propensity and ability to consume each species were observed.
Nussbaum (1969) added that this longitudinal ringed arrangement was strikingly similar to that in hatchlings of the Northern Dusky Salamander (Desmognathus fuscus
) and the Allegheny Mountain Dusky Salamander (D.
For example, Orser and Shure (1975) reported that mark-recapture surveys of the dusky salamander Desmognathus fuscus
in a spring-fed stream in Georgia yielded higher estimates of size of populations when conducted at night than when surveys were conducted during daylight hours.
. In: Pfingsten RA, Downs FL, editors.
blairi), hellbender (Cryptobranchus alleganiensis), red salamander (Pseudotriton ruber), green salamander (Aneides aeneus), and northern dusky salamander (Desmognathus fuscus
), were not found.
Hybridization between Desmognathus fuscus
and Desmognathus ochrophaeus (Amphibia: Urodela: Plethodontidae) in northeastern Ohio and northwestern Pennsylvania.
In this study, I focus on two Appalachian species, the mountain dusky salamander, Desmognathus ochrophaeus, and the northern dusky salamander, Desmognathus fuscus
Other species captured during our study included southern two-lined salamander (Euiycea cirrigera), northern slimy salamander (Plethodon glutinosus) eastern newt (Notophthalmus viridescens), marbled salamander (Ambystoma opacum), Jefferson salamander (Ambystoma jeffersonianum), spotted salamander (Ambystoma maculatum), long-tailed salamander (Eurycea longicauda longicauda), and Northern dusky salamander (Desmognathus fuscus
fed predominantly on arthropods (99% of the prey), with insects forming the bulk (87%) of the diet (Table 1).
Adult and juvenile salamanders of the following species in the following quantities were found: 13 Eurycea bislineata, 21 Desmognathus fuscus
, 24 Desmognathus ochrophaeus, and 8 Plethodon cinereus.
Channell and Valentine (1972) reported one yellow albino Desmognathus fuscus
out of 52 collected at a site in West Virginia.
In the laboratory, substratechoice experiments tested adult Plethodon dorsalis, Desmognathus fuscus
, and Eurycea cirrigera for an avoidance response, the influence of predator diet on avoidance response, and changes in activity and refuge use associated with chemical cues of predatory snakes.