Surveying great ape populations is time-consuming and costly, and often relies on generalised parameters, resulting in imprecise population estimates. Using thermal imaging, through thermal cameras fitted on unmanned aerial vehicles, to detect primates directly from the air, may prove a useful alternative to conventional great ape population surveys. This may be especially true for bonobos (Pan paniscus) which, due to their large body size and nesting behaviour, could provide a uniquely identifiable thermal signature. We trialled the use of a thermal drone to record bonobos in their natural environment in the Democratic Republic of Congo, as a first step towards using the technique to survey great apes. Bonobos were observed asleep in their nests during all surveys at different flight speeds and heights, showing potential for the use of thermal drones as a method to survey great apes.
Located in
Library
/
RBINS Staff Publications 2022
The Pyramidellidae of the islands of Saint Helena and Ascension are studied. New information is provided on the Pyramidellids described in the work of SMITH (1890a). Five species new to science are described: Cingulina boirai n. sp, Miralda verhaeghei n. sp., Parthenina stanyi n. sp., Odostomia lucsegersi n. sp. and Odostomia templadoi n. sp. Syntypes of Obeliscus (Syrnola) sanctaehelenae, Obeliscus (Syrnola) pumilio, Turbonilla truncatelloides, Turbonilla haroldi, Turbonilla brachia, Turbonilla assimilans, Leucotina minuta and Odostomia glaphyra are figured. A lectotype is designated for Turbonilla (Dunkeria) eritima, considered a synonym of T. assimilans. New generic allocations are proposed for seven species.
Located in
Library
/
RBINS Staff Publications 2023 OA
