New York Natural Heritage Program
Talus Cave Community
Talus cave community David M. Hunt
System: Subterranean
SubSystem: Natural Caves

State Protection: Not Listed
Federal Protection: Not Listed

State Rarity Rank: S2S3
A State Rarity Rank of S2S3 means: Imperiled or Vulnerable in New York - Very vulnerable to disappearing from New York, or vulnerable to becoming imperiled in New York, due to rarity or other factors; typically 6 to 80 populations or locations in New York, few individuals, restricted range, few remaining acres (or miles of stream), and/or recent and widespread declines. More information is needed to assign a single conservation status.

Global Rarity Rank: G4
A Global Rarity Rank of G4 means: Apparently secure globally, though it may be quite rare in parts of its range, especially at the periphery.


Did you know?
Talus cave communities are not like typical caves. They occur amidst boulders or cobbles where openings form between rocks. They originate from layers of rocks and boulders that slip down a mountain or cliff. Animals that use talus caves for denning and cover include rattlesnakes, bobcats, porcupines, bats, and other small mammals and reptiles.

State Ranking Justification [-]
There are a few hundred occurrences statewide. A few documented occurrences have good viability and few are protected on public land or private conservation land. This community is limited to areas of the state with fractured talus that accumulates at the base of cliffs and mountains. There are a few large, high quality examples in New York. The current trend of this community is probably stable for occurrences on public land, or declining slightly elsewhere due to moderate threats that include mineral extraction and recreational overuse.

Short-term Trends [-]

Long-term Trends [-]