JOURNAL ARTICLE

OBSERVATIONS OF CASCADE TORRENT SALAMANDER (RHYACOTRITON CASCADAE) OVIPOSITION SITES IN MULTNOMAH COUNTY, OREGON.

  • Published In: Northwestern Naturalist, 2024, v. 105, n. 3. P. 193 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Brooks, Jefferson; Francis, Lex; Cousins, Christopher 3 of 3

Abstract

Here we describe the 1st documented oviposition site of a Cascade Torrent Salamander (Rhyacotriton cascadae) in Oregon, and only the 2nd observation of eggs for the species overall. In March of 2023, 2 separate egg clumps were observed under cobble-sized stones in a roadside seep. Although the observation of these eggs aligns with the commonly held understanding that oviposition for the species occurs in spring, all other known Rhyacotriton oviposition sites have been observed in late summer or autumn, making this finding important for understanding the reproductive phenology of the genus. The quantity of eggs found in the clumps suggest this may be a communal oviposition site, which has been documented in Columbia Torrent Salamanders (Rhyacotriton kezeri) but not in Cascade Torrent Salamanders. [ABSTRACT FROM AUTHOR]

Additional Information

  • Source:Northwestern Naturalist. 2024/12, Vol. 105, Issue 3, p193
  • Document Type:Article
  • Subject Area:Geology
  • Publication Date:2024
  • ISSN:1051-1733
  • DOI:10.1898/NWN23-13
  • Accession Number:187952217
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