2019 LSG Report
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IUCN SSC Lagomorph Specialist Group 2019 Report Andrew Smith Hayley Lanier Co-Chairs Mission statement Targets for the 2017-2020 quadrennium Andrew Smith (1) To promote the conservation and effective Assess (2) Hayley Lanier sustainable management of all species of Red List: (1) improve knowledge and assess- lagomorph through science, education and ment of lagomorph systematics, (2) complete Red List Authority Coordinator advocacy. all Red List reassessments of all lagomorph Andrew Smith (1) species. Projected impact for the 2017-2020 Research activities: (1) improve knowledge of Location/Affiliation quadrennium Brachylagus idahoensis (Pygmy Rabbit); (2) (1) School of Life Sciences, Arizona State The Lagomorph Specialist Group (LSG) is examine population trends of all lagomorphs University, Tempe, Arizona, US “middle-sized” – not a single species, nor in the western United States; (3) improve (2) Sam Noble Museum, University of Oklahoma, composed of hundreds of species. We have knowledge of Lepus callotis (White-sided Norman, Oklahoma, US slightly less than 100 species in our brief. Jackrabbit); (4) improve knowledge of Lepus However, these are distributed around the fagani (Ethiopian Hare), L. habessinicus Number of members globe, and there are few similarities among any (Abyssinian Hare), and L. starcki (Ethiopian 73 of our many forms that are Red List classified Highland Hare) in Ethiopia; (5) improve as Threatened. Thus, we do not have a single knowledge of Lepus flavigularis (Tehuantepec Social networks programme or a single thrust; there is no Jackrabbit); (6) improve knowledge of all Website: www.lagomorphspecialistgroup.org one-size-fits-all to our approach. LSG members Chinese Lepus; (7) improve knowledge of largely work independently in their region, and Nesolagus netscheri (Sumatran Striped the Co-Chairs serve more as a nerve centre. Rabbit); (8) improve knowledge of Nesolagus This has always had to be our approach; the timminsi (Annamite Striped Rabbit); (9) improve broad geographic reach of our members and knowledge of Ochotona iliensis (Ili Pika); (10) the cost that would be involved in attempting improve surveys of poorly-studied Ochotona to meet as a body of the whole essentially in China; (11) understand the role of climate prohibit planning such a meeting. We judge change in the determination of Ochotona our success based on the terrific work done princeps (American Pika) populations; by our members in their respective regions, (12) understand how climate change and and as this summary of our activities shows, reduced snow cover may affect populations this body of work is encouraging. What we are of Lepus americanus (Snowshoe Hare); (13) all doing collectively is to make Lagomorph a try to find anyone to study the Pronolagus known entity, and to ensure that lagomorph species in Africa; (14) improve understanding diversity worldwide is maintained by minimising of Romerolagus diazi (Volcano Rabbit); (15) extinction risk, addressing climate change, improve understanding of lesser-known working with local communities, stopping species of Sylvilagus in North America and horrific poisoning campaigns, etc. South America; (16) increase knowledge of lagomorphs via publication of peer-reviewed publications (as indicated via The Web of Science); (17) improve knowledge of Sylvilagus insonus (Omiltemi Rabbit). Black-tailed Jackrabbit, Lepus californicus, in Rancho Experimental La Campana INIFAP, Chihuahua, México Photo: Jose A. Pérez-López L-R: Liesl Eichenberger (Sanbona Nature Reserve), Sue Milton (Renu Karoo), Bonnie Schumann and Gina Yang (Renu Karoo) during the habitat characterisation of the southern and eastern populations Photo: Endangered Wildlife Trust Plan Activities and results 2019 Planning: update the Lagomorph Action Plan Assess with production of a book highlighting over- Red List arching aspects of lagomorph biology and i. A workshop on knowledge and assessment a comprehensive account with maps of all A ‘bunny crossing’ sign in the Witteberg Nature of lagomorph systematics is included as part of lagomorph species, to be published by Johns Reserve warns motorists to slow down to the 6th World Lagomorph Conference, sched- preserve the Critically Endangered Riverine Hopkins University Press. uled for July 2020. Several taxonomic experts Rabbit, Bunolagus monticularis, in South Africa. Act The EWT-DCP recorded rabbits on the Witteberg have been approached to form a Lagomorph Nature Reserve for the first time in 2019 using Conservation actions: (1) reintroduction of taxonomy working group which will focus on camera traps. The reserve is the second formally Brachylagus idahoensis into the Columbia evaluating the evidence for and conservation protected area (contractual Nature Reserve) in Basin, Washington; (2) improve knowledge the Karoo with a known population of Riverine implications of taxonomic revisions within the Rabbits. Pictured (L-R): Esther Matthew, Bonnie and conservation of Bunolagus monticularis Order. (KSR #6) Schumann and Johnny Arends (Riverine Rabbit); (3) improve knowledge and Photo: Endangered Wildlife Trust ii. Assessment of all named Lagomorph species conservation of Caprolagus hispidus (Hispid was completed in 2019. We are developing a Hare); (4) stop poisoning of Ochotona curzoniae plan for reassessments and updates as taxo- (Plateau Pika); (5) control feral cats and their nomic changes are made. (KSR #1) negative impact on Pentalagus furnessi (Amami Research activities Rabbit); (6) improve the status of Oryctolagus cuniculus (European Rabbit) in its native range, i. Important recent findings on Brachylagus as a prey item of the endangered Iberian Lynx; idahoensis include evaluating the potential (7) improve conservation to recover Sylvilagus for managing for other threatened species transitionalis (New England Cottontail); (8) (Sage Grouse) to positively impact Brachylagus protect Ochotona hyperborea (Northern Pika) in habitat, dietary partitioning, genetic studies Hokkaido; (9) protect and monitor the endan- of population size and gene flow, and habitat gered subspecies Sylvilagus bachmani riparius selection. (KSR #12, 16) (Riparian Brush Rabbit); (10) monitor the endan- ii. A major review paper was published in gered subspecies Sylvilagus palustris hefneri 2018, and subsequently a ‘Jackrabbit Working (LKMR = Lower Keys Marsh Rabbit). Group’ was formed with biologists from the Arizona Game and Fish Department. They Network have conducted a series of investigations on Membership: review and expand the LSG the Antelope Jackrabbit (L. alleni) at the north- membership. western edge of its range. They have deter- Communicate mined that the Antelope Jackrabbit undergoes Communication: (1) develop a new improved population fluctuations, not in concordance LSG webpage; (2) publish overarching book on with changes in precipitation, but possibly the biology and conservation of all lagomorphs. due to variability in predation levels. Compar- Scientific meetings: plan for 6th World Lago- isons of lagomorph trends across states has morph Conference. revealed startling declines in several species of Lepus and Sylvilagus. Evidence suggests habitat alterations and climate change may be driving these declines. LSG member Brown has also recently reinstated the species status of the A Northern Pika, Ochotona hyperborea, A Northern Pika, Ochotona hyperborea, peers out of the snow in Hokkaido, Japan during the summer in Hokkaido, Japan Photo: Yuichi Takakura Photo: Katsuro Tateishi Tamaulipas White-sided Jackrabbit (L. altim- vi. Surveys on all Chinese Lepus species on the Tianshan Mountains. In 2019, Ili Pika was irae) from eastern Mexico, placing it alongside (Xinjiang, Tibet, and Hainan) were part of a first included in the new draft of the People’s other White-sided Jackrabbits (L. flavigularis, L. broader effort focused on mammals but didn’t Republic of China Key Wildlife Conservation List. callotis, L. alleni), and removing it as a subspe- uncover usable leporid data. Most of the It was initially designated as a national second- cies of the Black-tailed Jackrabbit (L. califor- people working on Lagomorphs in China are not level protected animal and was the only lago- nicus). (KSR #12, 27) primarily focused on conservation. (KSR #12, 16) morph included in the protection list. Also, iii. Out of the 109 observed and 14 exam- vii. The Striped Rabbit Working Group (focused funding for the Ili Pika Conservation Project was ined (through PCR) Jackrabbits, all repre- on both species of Nesolagus) met in 2019. They secured by the China Environmental Protection sented Lepus californicus and not L. callotis, identified the need for additional ecological Foundation. (KSR #12, 16) work undertaken with financial support from information for the species, including distribu- x. Highlights on surveys of Ochotona in China the Phoenix Zoo and the Arizona Center for tion, and are planning to write grants to support include the rediscovery of Kozlov’s Pika (O. Nature Conservation. Continued research a more targeted and systematic survey in koslowi) at the Dingzikou (northern shore of and monitoring are needed to determine the Sumatra. They are also working with the govern- the Aqike Lake, Arjinshan National Nature present status, population fluctuations, and ment on official recommendations for the Reserve) in Xinjiang, China. This represents possible extirpation of L. callotis. This will species. In addition, research has been done to a re-discovery of the species near its type entail multiple expeditions to Durango