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Understanding Perceptions That Drive Conflict Over the Endangered Hawaiian Monk Seal

The importance of resource managers articulating their own assumptions and values, and to work to understand the assumptions and values of those who may be affected by successful monk seal recovery efforts, to develop effective strategies that prevent and address conflict over this recovering endangered species.
July 03, 2024 - Peer-Reviewed Research ,
Pacific Islands

Genomic Analysis of Population History for Hawaiian Monk Seals

Advances in genomic technology and affordability offer a novel opportunity to revisit questions about Hawaiian monk seal trends
March 14, 2024 - Peer-Reviewed Research ,
Pacific Islands

Terrestrial Pathogen Pollutant, Toxoplasma gondii, Threatens Hawaiian Monk Seals (Neomonachus schauinslandi) Following Heavy Runoff Events Journal of Wildlife Diseases

To understand environmental factors influencing Hawaiian monk seal exposure to Toxoplasma gondii, we examined monk seal strandings from toxoplasmosis in relationship to location and rainfall patterns throughout the main Hawaiian Islands.
April 25, 2023 - Peer-Reviewed Research ,
Pacific Islands

2022 Pacific Islands Field Season a Success

An unprecedented year for protected species in the Papahānaumokuākea Marine National Monument.
October 13, 2022 - Research ,
Pacific Islands
A sea turtle and Hawaiian monk seal resting on the sand during a sunny day. Green sea turtle female “T53” basks (or rests) with a Hawaiian monk seal on Tern Island, Lalo, Papahānaumokuākea Marine National Monument. Credit: NOAA Fisheries

Monk Seal Behavior Spotlight: Male Dominance Displays

Male Hawaiian monk seals sometimes “cruise” beaches and get into scuffles with one another—and it all has to do with mating. 
August 30, 2022 - Science Blog ,
Pacific Islands
Two male Hawaiian monk seals arguing in the water. Two male monk seals face off at the water’s edge on a Kauaʻi beach. Credit: NOAA Fisheries/Joseph Bennington-Castro

Counting Hawaiian Monk Seals

Learn how NOAA estimates the number of Hawaiian monk seals and accounts for uncertainty in the numbers.
April 28, 2022 - Science Blog ,
Pacific Islands
Two young seals rest on a beach in the Papahānaumokuākea Marine National Monument. Credit: NOAA Fisheries (Permit #22677) Two young seals rest on a beach in the Papahānaumokuākea Marine National Monument. Credit: NOAA Fisheries (Permit #22677)

Return to Papahānaumokuākea Field Camps

For some, 2021 provided a long-awaited homecoming; for others, a new adventure.
September 01, 2021 - Science Blog ,
Pacific Islands
Pearl and Hermes field camp setup including 5 tents along the shoreline and numerous bright yellow 5-gallon buckets with food and supplies. Four field campers sit on a driftwood tree near the waterline. Making a seasonal home on a remote island: These field biologists will spend the summer working hard in Papahānaumokuākea Marine National Monument at one of NOAA’s seasonal protected species research camps. Photo: NOAA Fisheries.

Keepin' it Reel: When Your Catch of the Day is Not What You Expected

A seal biologist’s experience on the wrong end of the line reminds us that we must be careful when fishing around protected species.
December 04, 2020 - Science Blog ,
Pacific Islands
Hawaiian monk seal RKA6 laying on beach with a hook in its mouth Hawaiian monk seal RKA6 resting on the beach with a hooked lip. Photo: Gary Langley.

Sighting Patterns Reveal Unobserved Pupping Events To Revise Reproductive Rate Estimates for Hawaiian Monk Seals in the Main Hawaiian Islands

We used sighting reports to describe female breeding biology and reproductive success in the main Hawaiian Islands.
November 23, 2020 - Peer-Reviewed Research ,
Pacific Islands

Revising Reproductive Rate Estimates for Hawaiian Monk Seals in the Main Hawaiian Islands

By examining sighting histories, we infer that 25 unobserved pupping events that had previously gone uncounted. This is the highest reproductive rate reported for any of the Hawaiian monk seal breeding sites.
November 23, 2020 - Peer-Reviewed Research ,
Pacific Islands