• Peyrieras' woolly lemur (Avahi peyrierasi). The IUCN Red List of Threatened Species 2020

      Eppley, Timothy M.; Patel, E. (2020)
      A population reduction of greater than or equal to 30% is predicted to occur over a three-generation time period (30 years) in the future, based on continuing and projected decline in area, extent and quality of habitat, in addition to ongoing and projected exploitation through unsustainable hunting pressure. The extent of occurrence (EOO) of this species is 6,991 km2 and extremely fragmented. Based on these premises, the species is listed as Vulnerable.
    • Phenotypic plasticity in the timing of reproduction in Andean bears

      Appleton, R. D.; Van Horn, Russell C.; Noyce, K. V.; Spady, T. J.; Swaisgood, Ronald R.; Arcese, P. (2018)
      Many factors influence whether mammals reproduce seasonally or continuously but disentangling them can be challenging in free‐living species that are hard to observe. We described the seasonality of reproduction in Andean bears (Tremarctos ornatus) in NW Peru (6°26′S, 79°33′W) to test for phenotypic plasticity in response to extrinsic cues.
    • Phenotypic variability along a climatic gradient in a perennial afrotropical rainforest understorey herb

      Ley, Alexandra C.; Herzog, Patrick; Lachmuth, Susanne; Abwe, Abwe E.; Christian, Mbella F.; Sesink Clee, Paul R.; Abwe, Ekwoge E.; Morgan, Bethan J.; Gonder, Mary K. (2018)
      Plants evolved in response to climatic conditions, which shaped their geographic distribution, functional traits and genetic composition. In the face of climatic changes, plants have to react by either genetic adaptation, phenotypic plasticity or geographic range shift....
    • Photos provide information on age, but not kinship, of Andean bear

      Van Horn, Russell C.; Zug, Becky; Appleton, Robyn D.; Velez-Liendo, Ximena; Paisley, Susanna; LaCombe, Corrin (2015)
      Using photos of captive Andean bears of known age and pedigree, and photos of wild Andean bear cubs <6 months old, we evaluated the degree to which visual information may be used to estimate bears’ ages and assess their kinship. We demonstrate that the ages of Andean bear cubs ≤6 months old may be estimated from their size relative to their mothers with an average error of <0.01 ± 13.2 days (SD; n = 14), and that ages of adults ≥10 years old may be estimated from the proportion of their nose that is pink with an average error of <0.01 ± 3.5 years (n = 41). We also show that similarity among the bears’ natural markings, as perceived by humans, is not associated with pedigree kinship among the bears (R2 < 0.001, N = 1,043, p = 0.499). Thus, researchers may use photos of wild Andean bears to estimate the ages of young cubs and older adults, but not to infer their kinship. Given that camera trap photos are one of the most readily available sources of information on large cryptic mammals, we suggest that similar methods be tested for use in other poorly understood species.
    • Phylogeography of the endangered Lesser Antillean iguana, Iguana delicatissima: a recent diaspora in an archipelago known for ancient herpetological endemism

      Martin, Jessica L.; Knapp, Charles R.; Gerber, Glenn P.; Thorpe, Roger S; Welch, Mark E. (2015)
      Iguana delicatissima is an endangered endemic of the Lesser Antilles in the Caribbean. Phylogeographic analyses for many terrestrial vertebrate species in the Caribbean, particularly lizards, suggest ancient divergence times. Often, the closest relatives of species are found on the same island, indicating that colonization rates are so low that speciation on islands is often more likely to generate biodiversity than subsequent colonization events…. Despite the great distances between islands and habitat heterogeneity within islands, this species is characterized by low haplotype diversity.
    • Pitheciins: Use of time and space

      Setz, E.Z.F.; Pinto, L.P.; Bowler, Mark; Barnett, A.A.; Vie, J.C.; Barnett, A.A.; Veiga, L.M.; Ferrari, S.F.; Norconk, M.A. (Cambridge University PressCambridge, 2013)
    • Polar bear ( Ursus maritimus ) migration from maternal dens in western Hudson Bay

      Yee, Meredith; Reimer, Jody; Lunn, Nicholas J.; Togunov, Ron R.; Pilfold, Nicholas W.; McCall, Alysa G.; Derocher, Andrew E. (2017)
      Migration is a common life history strategy among Arctic vertebrates, yet some of its aspects remain poorly described for some species. In February-March, post-parturient polar bears (Ursus maritimus) in western Hudson Bay, Canada, migrate from maternity den sites on land to the sea ice with three- to four-month-old cubs....
    • Population abundance and habitat utilization of bottlenose dolphins in the Mississippi Sound. Aquatic Conservation: Marine and Freshwater

      Miller, Lance J.; Mackey, A.D.; Solangi, M.; Kuczaj, S.A. (2013)
      Distance sampling principles were utilized to examine population density and abundance for bottlenose dolphins (Tursiops truncatus) in the Mississippi Sound. Information was collected during summer and winter to allow for examination of habitat utilization and abundance during two different seasons. Within the study area of the Mississippi Sound there are approximately 2225 bottlenose dolphins. The population was larger during the summer than during the winter months....
    • Population Analysis & Breeding and Transfer Plan, Grand Cayman Blue Iguana (Cyclura lewisi), AZA Species Survival Plan Yellow Program

      Grant, Tandora D.; Ivy, Jamie A. (Population Management Center. Associaton of Zoos and Aquariums, Lincoln Park Zoo, San Diego Zoo Global, 2020)
    • Population genetic analysis of the recently rediscovered Hula painted frog ( Latonia nigriventer ) reveals high genetic diversity and low inbreeding

      Perl, R. G. Bina; Geffen, Eli; Malka, Yoram; Barocas, Adi; Renan, Sharon; Vences, Miguel; Gafny, Sarig (2018)
      After its recent rediscovery, the Hula painted frog (Latonia nigriventer) has remained one of the world’s rarest and least understood amphibian species. Together with its apparently low dispersal capability and highly disturbed niche, the low abundance of this living fossil calls for urgent conservation measures. We used 18 newly developed microsatellite loci and four different models to calculate the effective population size (Ne) of a total of 125 Hula painted frog individuals sampled at a single location. We compare the Ne estimates to the estimates of potentially reproducing adults in this population (Nad) determined through a capture-recapture study on 118 adult Hula painted frogs captured at the same site. Surprisingly, our data suggests that, despite Nad estimates of only ~234–244 and Ne estimates of ~16.6–35.8, the species appears to maintain a very high genetic diversity (HO = 0.771) and low inbreeding coefficient (FIS = −0.018). This puzzling outcome could perhaps be explained by the hypotheses of either genetic rescue from one or more unknown Hula painted frog populations nearby or by recent admixture of genetically divergent subpopulations. Independent of which scenario is correct, the original locations of these populations still remain to be determined.
    • Portable sequencing as a teaching tool in conservation and biodiversity research

      Watsa, Mrinalini; Erkenswick, Gideon A.; Pomerantz, Aaron; Prost, Stefan (Public Library of Science (PLoS), 2020)
      As biodiversity loss continues to accelerate, there is a critical need for education and biomonitoring across the globe. Portable technologies allow for in situ molecular biodiversity monitoring that has been historically out of reach for many researchers in habitat nations. In the realm of education, portable tools such as DNA sequencers facilitate in situ hands-on training in real-time sequencing and interpretation techniques. Here, we provide step-by-step protocols as a blueprint for a terrestrial conservation genetics field training program that uses low-cost, portable devices to conduct genomics-based training directly in biodiverse habitat countries.
    • Possible evidence for a lack of medicinal efficacy in sun bear bile?

      Davis, Elizabeth Oneita; Gaffi, Lorenzo; Zaw, Thet; Mussoni, Giulia; Glikman, Jenny A. (2020)
      A growing body of evidence has illuminated the ubiquity of bear bile and bear gallbladder use across mainland Southeast Asia (Davis et al. 2016, 2019a,b). In Vietnam, the use of bear bile/gallbladder appears to be comparable to neighboring China, with ubiquitous farms in provinces across the country, the majority of which extract bile from Asiatic black bears (Ursus thibetanus) (Crudge et al. 2020)....
    • Predicting translocation outcomes with personality for desert tortoises

      Germano, Jennifer M.; Nafus, Melia G.; Perry, Jeanette A.; Hall, Derek B.; Swaisgood, Ronald R. (2017)
      As mitigation- and conservation-driven translocations of declining species escalate, establishing best practices for conservation practitioners is critical. A variety of factors, such as individual behaviour, may influence post-release behaviour and survival....
    • Predictors of extreme negative feelings toward coyote in Newfoundland

      Frank, Beatrice; Glikman, Jenny A.; Sutherland, Maggie; Bath, Alistair J. (2016)
      ...he survey explored negative feelings toward coyotes. A four stage hierarchical multiple regression model examined how the dependent variable, “feelings,” was influenced by four independent blocks of variables: “existence beliefs,” “impact beliefs,” “fear,” and “experience and demographic characteristics.”....
    • Preparing the reintroduction

      Maschinski, Joyce; Albrecht, Matthew A.; Font, Jeremie; Monks, Leonie; Haskins, Kristin E.; Center for Plant Conservation (CPC) (Center for Plant ConservationEscondido, California, 2019)
      Careful planning of biological, ecological, political, and financial support for the reintroduction will help ensure success. Designing a reintroduction entails linking genetic source to the recipient site characteristics
    • Pretreatment of Addra gazelle (Nanger dama ruficollis) spermatozoa with cholesterol-loaded cyclodextrins improves cryosurvival

      Wojtusik, Jessye; Pennington, Parker M.; Songsasen, Nucharin; Padilla, Luis R.; Citino, Scott B.; Pukazhenthi, Budhan S. (2016)
      ...Our aim was to characterize Addra gazelle (Nanger dama ruficollis) ejaculate traits and to assess the effects of cholesterol-loaded cyclodextrin (CLC) on sperm cryosurvival. Fresh ejaculates were treated with CLC (0, 0.5, 1.5, 3.0, and 6.0 mg/ml) prior to cryopreservation.... Reported advances will facilitate establishment of a frozen repository and support the genetic management of this critically endangered north African desert antelope.