Hawaiian Monk Seal on beach Hawaiian Monk Seal face Hawaiian Monk Seal adult and pup on beach

Hawaiian Monk Seal Research

The Hawaiian Monk Seal Research Program (HMSRP) works to enhance the recovery of the endangered Hawaiian monk seal by studying their biology, ecology and natural history. The HMSRP monitors and assesses the six main monk seal reproductive subpopulations in the Northwestern Hawaiian Islands (NWHI) as well as the increasing subpopulation in the main Hawaiian Islands (MHI). In addition, the HMSRP investigates threats to Hawaiian monk seal survival and works to mitigate factors impeding the species recovery. More...


News and Highlights

Recent Staff Publications

  • November 7, 2017
    Comparative application of trophic ecosystem models to evaluate drivers of endangered Hawaiian monk seal populations
    Weijerman M, Robinson S, Parrish F, Polovina J, Littnan C
    [2017] Marine Ecology Progress Series. 582:215-229. doi:10.3354/meps12320
  • November 3, 2017
    Hawaiian monk seal use of Sand Island, Midway Atoll, 2012-2016
    Johanos T
    [2017] Pacific Islands Fisheries Science Center, PIFSC Internal Report, IR-17-021, 3 p
  • September 22, 2017
    Documented sightings of Hawaiian monk seals within Joint Base Pearl Harbor Hickam installation on the island of Oahu for the year 2016
    Mercer T
    [2017] Pacific Islands Fisheries Science Center, PIFSC Internal Report, IR-17-020, 4 p
  • August 30, 2017
    Hawaiian monk seal use of Ulehawa beach, Oahu
    Mercer T
    [2017] Pacific Islands Fisheries Science Center, PIFSC Internal Report, IR-17-018, 3 p
  • July 26, 2017
    Estimating population size for Hawaiian monk seals using haulout data
    Harting A, Baker JD, Johanos TC
    [2017] Journal of Wildlife Management. 81:1202-1209. doi:10.1002/jwmg.21303.
  • July 26, 2017
    Oahu monk seal sightings 2007-2016
    Mercer T
    [2017] Pacific Islands Fisheries Science Center, PIFSC Internal Report, IR-17-016, 602 p