Cummings School of Veterinary Medicine at Tufts University
Mark Pokras

Associate Professor

Wildlife Health, Birds, Reptiles
Wildlife Clinic & Center for Conservation Medicine

Campus Phone:
508-839-7918

Fax:
508-839-7930

Education

  • Residency in Zoo & Wildlife Medicine - 1985 - 1988 
  • DVM - Tufts University - 1984
  • BS - Cornell Universtiy - 1971

What is your diagnosis? Ventricular metallic foreign body.

Author(s):Hopf, C. | Pokras, M. | Aguilar, R.F.
Publication year: 2014
Journal / Book title: Journal of avian medicine and surgery

GM1-gangliosidosis in American black bears: Clinical, pathological, biochemical and molecular genetic characterization

Author(s):Muthupalani, S. | Torres, P.A. | Wang, B.C. | Zeng, B.J. | Eaton, S. | Erdelyi, I. | Ducore, R. | Maganti, R. | Keating, J. | Perry, B.J. | Tseng, F.S. | Waliszewski, N. | Pokras, M. | Causey, R. | Seger, R. | March, P. | Tidwell, A. | Pfannl, R. | Seyfried, T. | Kolodny, E.H. | Alroy, J.
Publication year: 2014
Journal / Book title: Molecular Genetics and Metabolism

A rapid postmortem screening test for lead toxicosis in common loons (Gavia immer) and bald eagles (Haliaeetus leucocephalus)

Author(s):Kornetsky, R. | Rock, M. | Pokras, M.
Publication year: 2013
Journal / Book title: Journal of Wildlife Diseases

Health risks from lead-based ammunition in the environment

Author(s):Bellinger, D.C. | Burger, J. | Cade, T.J. | Cory-Slechta, D.A. | Finkelstein, M. | Hu, H. | Kosnett, M. | Landrigan, P.J. | Lanphear, B. | Pokras, M.A. | Redig, P.T. | Rideout, B.A. | Silbergeld, E. | Wright, R. | Smith, D.R.
Publication year: 2013
Journal / Book title: Environmental Health Perspectives

What is your diagnosis?

Author(s):Martinez, J. | Pokras, M.A.
Publication year: 2010
Journal / Book title: Journal of Avian Medicine and Surgery

Hematology and absence of hemoparasites in breeding common terns (Sterna Hi Run Do) from cape cod, Massachusetts

Author(s):Fiorello, C.V. | Nisbet, I.C.T. | Hatch, J.J. | Corsiglia, C. | Pokras, M.A.
Publication year: 2009
Journal / Book title: Journal of Zoo and Wildlife Medicine

Lead objects ingested by common loons in New England

Author(s):Pokras, M. | Kneeland, M. | Ludi, A. | Golden, E. | Major, A. | Miconi, R. | Poppenga, R.H.
Publication year: 2009
Journal / Book title: Northeastern Naturalist

Lead poisoning: Using transdisciplinary approaches to solve an ancient problem

Author(s):Pokras, M.A. | Kneeland, M.R.
Publication year: 2008
Journal / Book title: EcoHealth

Adverse effects from environmental mercury loads on breeding common loons

Author(s):Evers, D.C. | Savoy, L.J. | Desorbo, C.R. | Yates, D.E. | Hanson, W. | Taylor, K.M. | Siegel, L.S. | Cooley Jr., J.H. | Bank, M.S. | Major, A. | Munney, K. | Mower, B.F. | Vogel, H.S. | Schoch, N. | Pokras, M. | Goodale, M.W. | Fair, J.
Publication year: 2008
Journal / Book title: Ecotoxicology

Allometric Scaling

Author(s):Mayer, J. | Kaufman, G. | Pokras, M.
Publication year: 2006
Journal / Book title: Reptile Medicine and Surgery

Beached bird surveys in Massachusetts: The seabird ecological assessment network (SEANET)

Author(s):Harris, R.J. | Tseng, F.S. | Pokras, M.A. | Suedmeyer, B.A. | Bogart, J.S.H. | Prescott, R.L. | Newman, S.H.
Publication year: 2006
Journal / Book title: Marine Ornithology

Emerging zoonoses in marine mammals and seabirds of the Northeast U.S.

Author(s):Bogomolni, A. | Ellis, J. | Gast, R. | Harris, B. | Pokras, M. | Touhey, K. | Moore, M.
Publication year: 2006
Journal / Book title: OCEANS 2006

Hematologic and physiologic reference ranges for free-ranging adult and young common loons (Gavia immer)

Author(s):Haefele, H.J. | Sidor, I. | Evers, D.C. | Hoyt, D.E. | Pokras, M.A.
Publication year: 2005
Journal / Book title: Journal of Zoo and Wildlife Medicine

Obstruction and starvation associated with plastic ingestion in a Northern Gannet Morus bassanus and a Greater Shearwater Puffinus gravis

Author(s):Pierce, K.E. | Harris, R.J. | Larned, L.S. | Pokras, M.A.
Publication year: 2004
Journal / Book title: Marine Ornithology

Mortality of common loons in New England, 1987 to 2000

Author(s):Sidor, I.F. | Pokras, M.A. | Major, A.R. | Poppenga, R.H. | Taylor, K.M. | Miconi, R.M.
Publication year: 2003
Journal / Book title: Journal of Wildlife Diseases

Size characteristics of stones ingested by Common Loons

Author(s):Franson, J.C. | Hansen, S.P. | Pokras, M.A. | Miconi, R.
Publication year: 2001
Journal / Book title: Condor

Monitoring wading bird exposure to agricultural chemicals using serum cholinesterase activity

Author(s):Parsons, K.C. | Matz, A.C. | Hooper, M.J. | Pokras, M.A.
Publication year: 2000
Journal / Book title: Environmental Toxicology and Chemistry

Liver mercury and methylmercury concentrations in New England common loons (Gavia immer)

Author(s):Pokras, M.A. | Hanley, C. | Gordon, Z.
Publication year: 1998
Journal / Book title: Environmental Toxicology and Chemistry

Analysis of genetic diversity in common loon Gavia immer using RAPD and mitochondrial RFLP techniques

Author(s):Dhar, A.K. | Pokras, M.A. | Garcia, D.K. | Evers, D.C. | Gordon, Z.J. | Alcivar-Warren, A.
Publication year: 1997
Journal / Book title: Molecular Ecology

Establishing cardiac measurement standards in three avian species

Author(s):Hanley, C.S. | Murray, H.G. | Torrey, S. | Pokras, M.A.
Publication year: 1997
Journal / Book title: Journal of Avian Medicine and Surgery

General Research Interests

  • Functional and surgical anatomy of birds and reptiles.
  • Environmental pathology (including toxicology) of wildlife species.
  • Captive management of aquatic reptiles, birds and mammals.
  • Allometric scaling as a tool for understanding comparative clinical medicine.
  • Development of minimally invasive field techniques for wildlife health studies.

Selected Research Projects

  • Lead (Pb) toxicosis in wildlife and public health.
  • Seanet -- threats to aquatic birds.
  • WebAtlas of Wildlife Anatomy & Pathology.
  • Surveys of vernal pools and other campus resources.
  • Presence of antibiotic resistant organisms in native wildlife.

Research Interests by Area

International, Wildlife and Conservation Medicine
  • SEANET; Loons; Environmental Contaminants

Other campus activities

  • Sponsor a variety of student projects & selectives.
  • Host “Open Mike” nights on campus.
  • Advise student WAZE group (Wildlife, Aquatics, Zoo & Exotics).
  • Lead campus & regional nature walks.