https://experts.arizona.edu/en/publications/evaluation-of-call-response-surveys-for-monitoring-breeding-yuma-/
Evaluation of call-response surveys for monitoring breeding Yuma Clapper Rails (Rallus longirostris...
clapper railsrallus longirostrisevaluationcallresponse
https://nemesisbird.com/photography/weekend-digiscoping-spotlight-6-clapper-rails-prime-hook-nwr/
Weekend Digiscoping Spotlight 6 - Clapper Rails at Prime Hook NWR by Tim Schreckengost |...
Jan 27, 2014 - The Weekend Digiscoping Spotlight will highlight some of the fun shots we’ve gotten recently with a camera paired with a spotting scope. We welcome submissions...
clapper railsweekenddigiscopingspotlightprime