Article
Ecology
Jesse D'Elia, Nathan H. Schumaker, Bruce G. Marcot, Thomas Miewald, Sydney Watkins, Alan D. Yanahan
Summary: The study developed an individual-based model of California condor demography and validated it with empirical data. The model showed good agreement with the observed population census and distribution, and demonstrated high flexibility and applicability.
Article
Biochemistry & Molecular Biology
Jacqueline A. Robinson, Rauri C. K. Bowie, Olga Dudchenko, Erez Lieberman Aiden, Sher L. Hendrickson, Cynthia C. Steiner, Oliver A. Ryder, David P. Mindell, Jeffrey D. Wall
Summary: The study focused on the genome of the California condor, Andean condor, and turkey vulture, revealing that the California condor genome retains a high degree of variation due to its historically high abundance. Correlations between genome-wide diversity and recombination rate suggest a history of purifying selection against linked deleterious alleles, providing a promising foundation for future restoration efforts.
Article
Biology
Federico L. Agnolin, Federico Brisson Egli, Gerardo Alvarez-Herrera
Summary: This study describes a new fossil specimen of a condor-like bird, which is characterized by its large size and unique anatomical features. The discovery enhances previous hypotheses about the high diversity of condors in the lowlands of South America and highlights the inadequate understanding of their Pleistocene history. Furthermore, the extinction of giant scavenger birds in South America may be attributed to ecological constraints they faced.
HISTORICAL BIOLOGY
(2023)
Article
Environmental Sciences
Margaret E. Martinez, Michelle Rivard, Chelsea Sykes, Jaclyn Isbell, Sarah W. Grimes, Robert Poppenga, Padraig J. Duignan
Summary: This study reports the first case series of osteofluorosis in free-ranging marine mammals, documenting baseline bone fluoride concentrations in this population. The cases exhibited osseous proliferations and increased tooth wear, with significantly higher fluoride concentrations in their bones compared to normal individuals. This is the first report of osteofluorosis in free-ranging marine mammals, highlighting the need for understanding the exact source of excessive fluoride levels in this population.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Environmental Sciences
Marianne Lian, Cara L. Field, Edwin van Wijngaarden, Carlos Rios, J. Margaret Castellini, Denise J. Greig, Lorrie D. Rea, Denver J. Coleman, Christine E. Thomson, Frances M. D. Gulland, Todd M. O'Hara
Summary: The study found important associations between low-level exposure to monomethyl mercury and behavior as well as rehabilitation time in harbor seal pups. Specifically, a significant negative correlation was found between total Hg concentration and responses to tactile stimulation and movements during both the intensive care unit (ICU) stage and pool stage of rehabilitation. Additionally, a significant sex difference was observed, with female pups showing higher total Hg concentrations compared to male pups.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Agriculture, Dairy & Animal Science
Michael N. Romanov, Yang Da, Leona G. Chemnick, Steven M. Thomas, Sugandha S. Dandekar, Jeanette C. Papp, Oliver A. Ryder
Summary: Scientists have made a preliminary step towards constructing a genetic lineage map for the critically endangered California condor. This research provides valuable information for genetic and genomic studies as well as conservation efforts for this iconic bird species.
Article
Chemistry, Multidisciplinary
Lynette Sena, Jaclyn Asouzu Johnson, Pilani Nkomozepi, Ejikeme Felix Mbajiorgu
Summary: The study found that environmentally relevant doses of atrazine (low or high) could induce hepatotoxicity and nephrotoxicity in adult male Xenopus laevis frogs, as well as potentially affecting other aquatic organisms.
APPLIED SCIENCES-BASEL
(2021)
Article
Engineering, Environmental
Margaret E. Stack, Jennifer M. Cossaboon, Christopher W. Tubbs, L. Ignacio Vilchis, Rachel G. Felton, Jade L. Johnson, Kerri Danil, Gisela Heckel, Eunha Hoh, Nathan G. Dodder
Summary: Coastal reintroduction sites for California condors can result in increased exposure to halogenated organic compounds. The plasma of coastal condors contains more HOCs compared to inland condors, and the HOC contamination in marine mammals from California is higher than in those from Baja California.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Ornithology
Victoria J. Bakker, Myra E. Finkelstein, Daniel F. Doak, Rachel Wolstenholme, Alacia Welch, Joe Burnett, Arianna Punzalan, Joseph Brandt, Steve Kirkland, Nadya E. Seal Faith, Erin R. Lehnert, Estelle A. Sandhaus
Summary: In the first comprehensive assessment of the reproductive rates of critically endangered California Condors recovering from complete extirpation in the wild, it was found that anthropogenic threats and individual-based management both affected their reproductive rates. The reproductive rates generally increased with age and time spent in the wild. However, current and emerging threats, including lead poisoning and lack of breeding experience, pose challenges to the overall reproductive success of the California Condors.
ORNITHOLOGICAL APPLICATIONS
(2023)
Review
Toxicology
Mengchen Liu, Rundong Liu, Ruike Wang, Yue Ba, Fangfang Yu, Qihong Deng, Hui Huang
Summary: This review summarizes the impact of lead (Pb) on the nervous system, including genotoxic, neuroepigenotoxic, and chromosomal-toxic mechanisms. It also explores the effects of Pb exposure on gene expression patterns and the potential linkage between Pb and neurodevelopmental and neurological disorders.
JOURNAL OF APPLIED TOXICOLOGY
(2023)
Article
Biodiversity Conservation
Myra E. Finkelstein, Zeka E. Glucs, Victoria J. Bakker, Alacia Welch, Brook Doblar, Alex Herman, Monica Fox, Daniel Ryan, Michael Clark, Katharine Rose Fielding, Chandra David, Deborah Sears
Summary: Lead poisoning is a known threat to wildlife that feed on carcasses shot with lead-based ammunition. Copper-based ammunition is promoted as a safe alternative, but our unique case study of a male California condor shows that ingestion of a copper bullet did not result in poisoning, while ingestion of a lead fragment did. This finding can inform outreach efforts promoting nonlead ammunition.
WILDLIFE SOCIETY BULLETIN
(2023)
Article
Clinical Neurology
Matthew J. Koch, Christopher J. Stapleton, Ridhima Guniganti, Giuseppe Lanzino, Jason Sheehan, Ali Alaraj, Diederik Bulters, Louis Kim, W. Christopher Fox, Bradley A. Gross, Minako Hayakawa, J. Marc C. van DijK, Robert M. Starke, Junichiro Satomi, Adam J. Polifka, Gregory J. Zipfel, Sepideh Amin-Hanjani
Summary: A study using the CONDOR registry found that dural arteriovenous fistula-related hemorrhage had relatively lower morbidity and mortality rates in patients compared to other arterialized cerebrovascular lesions. Age and anticoagulant use were identified as risk factors for poor outcomes, while the subtype of hemorrhage and venous shunting pattern did not significantly affect the outcomes.
Article
Biodiversity Conservation
Tabitha C. Viner, Rebecca A. Kagan
Summary: Lead toxicosis poses a threat to bald eagles, golden eagles, California condors, and various waterfowl, potentially leading to their deaths. A study revealed that golden eagles that died from wind turbine blade collision had lower liver lead concentrations compared to those that died from other causes.
WILDLIFE SOCIETY BULLETIN
(2021)
Article
Environmental Sciences
Jerko Hrabar, Hrvoje Smodlaka, Somayeh Rasouli-Dogaheh, Mirela Petri, Zeljka Trumbic, Lauren Palmer, Kristen Sakamaki, Tina Pavelin, Ivona Mladineo
Summary: This study investigates the stomach lesions in California sea lions caused by anisakid nematodes and reveals the impact of parasitism on the health and recovery of marine mammals. The presence of anisakids resulted in chronic granulomatous gastritis with mild ulcerative changes, but without apparent bacterial coinfection.
FRONTIERS IN MARINE SCIENCE
(2021)
Article
Biodiversity Conservation
Andre M. Boustany, David A. Hernandez, Emily A. Miller, Jessica A. Fujii, Teri E. Nicholson, Joseph A. Tomoleoni, Kyle S. Van Houtan
Summary: Human exploitation of marine mammals in the past few centuries has caused significant declines in many wild populations, but legal protections enacted in the 20th century have enabled the recovery of several species, including the southern sea otter. Studies show that sea otter population growth can impact the Dungeness crab fishery, although Dungeness crabs make up only a small portion of the sea otters' diet.
BIOLOGICAL CONSERVATION
(2021)
Article
Biochemical Research Methods
Xiaopeng Chen, Kyla M. Walter, Galen W. Miller, Pamela J. Lein, Birgit Puschner
BIOMEDICAL CHROMATOGRAPHY
(2018)
Article
Veterinary Sciences
Megan C. Romano, Alan T. Loynachan, Dave C. Bolin, Uneeda K. Bryant, Laura Kennedy, Mike S. Filigenzi, Birgit Puschner, Robert H. Poppenga, Cynthia L. Gaskill
JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION
(2018)
Article
Veterinary Sciences
Carrie J. Finno, Krista E. Estell, Laramie Winfield, Scott Katzman, Matthew H. Bordbari, Erin N. Burns, Andrew D. Miller, Birgit Puschner, Cecilia K. Tran, Libin Xu
JOURNAL OF VETERINARY INTERNAL MEDICINE
(2018)
Article
Environmental Sciences
Irva Hertz-Picciotto, Rebecca J. Schmidt, Cheryl K. Walker, Deborah H. Bennett, McKenzie Oliver, Kristine M. Shedd-Wise, Janine M. LaSalle, Cecilia Giulivi, Birgit Puschner, Jennifer Thomas, Dorcas L. Roa, Isaac N. Pessah, Judy Van de Water, Daniel J. Tancredi, Sally Ozonoff
ENVIRONMENTAL HEALTH PERSPECTIVES
(2018)
Article
Engineering, Environmental
Sunjay Sethi, Rhianna K. Morgan, Wei Peng, Yanping Lin, Xueshu Li, Corey Luna, Madison Koch, Ruby Bansal, Michael W. Duffel, Birgit Puschner, R. Thomas Zoeller, Hans-Joachim Lehmler, Isaac N. Pessah, Pamela J. Lein
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2019)
Article
Endocrinology & Metabolism
Kyla M. Walter, Galen W. Miller, Xiaopeng Chen, Bianca Yaghoobi, Birgit Puschner, Pamela J. Lein
GENERAL AND COMPARATIVE ENDOCRINOLOGY
(2019)
Article
Environmental Sciences
Lauren Granillo, Sunjay Sethi, Kimberly P. Keil, Yanping Lin, Sally Ozonoff, Ana-Maria Iosif, Birgit Puschner, Rebecca J. Schmidt
ENVIRONMENTAL RESEARCH
(2019)
Article
Multidisciplinary Sciences
Heidi Kucera, Birgit Puschner, Alan Conley, Trish Berger
Article
Veterinary Sciences
Rae A. Sires, Andrea J. Fascetti, Birgit Puschner, Jennifer A. Larsen
TOPICS IN COMPANION ANIMAL MEDICINE
(2019)
Article
Veterinary Sciences
Sabrina N. Hoehne, Casey J. Kohen, Birgit Puschner, Ingrid Gennity, Simon P. Hagley, Kate S. Farrell, Karin Unger, Laura A. Cagle, Karl E. Jandrey
JOURNAL OF VETERINARY EMERGENCY AND CRITICAL CARE
(2019)
Article
Neurosciences
Kyla M. Walter, Galen W. Miller, Xiaopeng Chen, Danielle J. Harvey, Birgit Puschner, Pamela J. Lein
Article
Food Science & Technology
Melissa Bolotaolo, Tomofumi Kurobe, Birgit Puschner, Bruce G. Hammock, Matt J. Hengel, Sarah Lesmeister, Swee J. Teh
Article
Biochemical Research Methods
Gianna Favro, Hadi Habib, Ingrid Gennity, Birgit Puschner, Erin N. Hales, Carrie J. Finno, Benjamin C. Moeller
Summary: An UPLC-APCI-MS/MS method was developed and validated for quantifying vitamin E and its metabolites in equine urine, allowing for evaluation as a diagnostic tool in the treatment of eNAD/EDM. This method demonstrated accuracy and precision in analyzing the concentrations of vitamin E metabolites in healthy horses.
DRUG TESTING AND ANALYSIS
(2021)
Article
Chemistry, Analytical
John P. Buchweitz, Margaret Johnson, Margaret Wixson, Birgit Puschner
Summary: The production and use of methamphetamine is a serious public health problem globally, including in the USA. Accidental or intentional poisoning incidents in companion animals have become common due to the drug's popularity. This case study presents a 4-year-old German Shepherd poisoned by methamphetamine, and discusses the use of postmortem analysis to confirm exposure and the most useful diagnostic specimens for toxicosis in pets.
JOURNAL OF ANALYTICAL TOXICOLOGY
(2022)
Article
Toxicology
Kimberly P. Keil Stietz, Conner L. Kennedy, Sunjay Sethi, Anthony Valenzuela, Alexandra Nunez, Kathy Wang, Zunyi Wang, Peiqing Wang, Audrey Spiegelhoff, Birgit Puschner, Dale E. Bjorling, Pamela J. Lein
Summary: This study indicates that following developmental exposure, PCBs can distribute to the bladder and alter neuroanatomic development and bladder volume in male mice.
CURRENT RESEARCH IN TOXICOLOGY
(2021)