Scott F. Pearson
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View article: A comprehensive epidemiological approach documenting an outbreak of H5N1 highly pathogenic avian influenza virus clade 2.3.4.4b among gulls, terns, and harbor seals in the Northeastern Pacific
A comprehensive epidemiological approach documenting an outbreak of H5N1 highly pathogenic avian influenza virus clade 2.3.4.4b among gulls, terns, and harbor seals in the Northeastern Pacific Open
Highly pathogenic avian influenza viruses (HPAIV) H5N1 clade 2.3.4.4b continue to have unprecedented global impacts on wild birds and mammals, with especially significant mortality observed in colonial surface-nesting seabirds and in some …
View article: Assessment of Tufted Puffin <i>Fratercula cirrhata</i> Diet using DNA Metabarcoding
Assessment of Tufted Puffin <i>Fratercula cirrhata</i> Diet using DNA Metabarcoding Open
Investigating trophic relationships can be critical for understanding relationships between marine predators and their prey. DNA analysis of feces is used increasingly as a non-invasive method to uncover seabird dietary patterns across spa…
View article: Correction: Non-breeding changes in at-sea distribution and abundance of the threatened marbled murrelet (Brachyramphus marmoratus) in a portion of its range exhibiting long-term breeding season declines
Correction: Non-breeding changes in at-sea distribution and abundance of the threatened marbled murrelet (Brachyramphus marmoratus) in a portion of its range exhibiting long-term breeding season declines Open
[This corrects the article DOI: 10.1371/journal.pone.0267165.].
View article: Trends and status of harbor seals in Washington State, <scp>USA</scp> (1977–2023)
Trends and status of harbor seals in Washington State, <span>USA</span> (1977–2023) Open
Harbor seal ( Phoca vitulina ) numbers in the United States rebounded after the implementation of conservation measures associated with the Marine Mammal Protection Act of 1972 (MMPA). Stock estimates are a critical tool for assessing spec…
View article: Baseline health parameters of rhinoceros auklets (Cerorhinca monocerata) using serum protein electrophoresis, acute phase proteins, and biochemistry
Baseline health parameters of rhinoceros auklets (Cerorhinca monocerata) using serum protein electrophoresis, acute phase proteins, and biochemistry Open
Clinical metrics of baseline health in sentinel seabird species can offer insight into marine ecosystem dynamics, individual and population health, and assist in wildlife rehabilitation and conservation efforts. Protein electrophoresis is …
View article: Characterizing the Diet of a Threatened Seabird, the Marbled Murrelet <i>Brachyramphus marmoratus</i>, Using High-throughput Sequencing
Characterizing the Diet of a Threatened Seabird, the Marbled Murrelet <i>Brachyramphus marmoratus</i>, Using High-throughput Sequencing Open
Understanding prey consumption patterns is critical to understanding the ways in which seabirds cope with a changing ocean. However, characterizing the dietary habitats of seabirds can be challenging. In this study, we investigated the die…
View article: Resilience to a severe marine heatwave at two Pacific seabird colonies
Resilience to a severe marine heatwave at two Pacific seabird colonies Open
A severe marine heat wave (MHW) persisted in the California Current ecosystem from 2014 through 2016. The MHW featured record-high sea surface temperatures in 2015, with 2014 to 2016 being the warmest 3 yr period on record. Our decade-long…
View article: Range-wide changes in the North American Tufted Puffin <i>Fratercula cirrhata</i> breeding population over 115 years
Range-wide changes in the North American Tufted Puffin <i>Fratercula cirrhata</i> breeding population over 115 years Open
Summary Regional and local studies suggest that the Tufted Puffin Fratercula cirrhata in North America is declining in portions of its range. However, whether the overall population is declining, or its range is contracting with little cha…
View article: Non-breeding changes in at-sea distribution and abundance of the threatened marbled murrelet (Brachyramphus marmoratus) in a portion of its range exhibiting long-term breeding season declines
Non-breeding changes in at-sea distribution and abundance of the threatened marbled murrelet (Brachyramphus marmoratus) in a portion of its range exhibiting long-term breeding season declines Open
The marbled murrelet ( Brachyramphus marmoratus ) is classified as a threatened species under the US Endangered Species Act in Washington, Oregon, and California USA due to population declines, loss of breeding habitat, and other factors. …
View article: Harbour Seal Prey Database
Harbour Seal Prey Database Open
This harbour seal prey reference sequence database is a product of the iterative process of adding prey sequences based on the representative sequences of clustered MiSeq data from each successive scat sequencing run. The database started …
View article: Example Bioinformatic Files
Example Bioinformatic Files Open
The bioinformatic code used to process scat DNA sequences and example data. See Readme file.
View article: Main Dataset: Harbour Seal DNA Diet Data
Main Dataset: Harbour Seal DNA Diet Data Open
This is the primary dataset that contains scat sample composition data for 4,625 harbor seal scats. Field names and descriptions are outlined in Table 1 of the Data Descriptor. Multiple entries exist for each sample ID, with each entry rep…
View article: QIIME Mapping Files
QIIME Mapping Files Open
A tar archive of the QIIME mapping files (.txt) needed for demultiplexing the .fastq files in the NCBI database (Table 2). The mapping file names in the tar archive match those of the associated .fastq files. Each mapping file contains the…
View article: Harbour Seal Hardparts Diet Data
Harbour Seal Hardparts Diet Data Open
These are the results of the morphological prey hard parts ID of collected scat samples, with corresponding sample IDs to those in Harbour_Seal_DNA_Diet_Data.csv (Fig. 3). These data can be used to make direct comparisons between the tradi…
View article: Seasonal and Interspecific Variation in Frugivory by a Mixed Resident-Migrant Overwintering Songbird Community
Seasonal and Interspecific Variation in Frugivory by a Mixed Resident-Migrant Overwintering Songbird Community Open
Many temperate passerine bird species switch from diets of mostly invertebrates in the spring and summer to diets that include fruit and seeds in the fall and winter. However, relatively few studies have quantified diet composition or the …
View article: Variation in predator diet and prey size affects perceived impacts to salmon species of high conservation concern
Variation in predator diet and prey size affects perceived impacts to salmon species of high conservation concern Open
Management of protected species is difficult when objectives include the recovery of both predator and its prey. Ideally, identifying trade-offs between competing objectives involves evaluating management alternatives with a quantitative m…
View article: Geolocator tagging links distributions in the non-breeding season to population genetic structure in a sentinel North Pacific seabird
Geolocator tagging links distributions in the non-breeding season to population genetic structure in a sentinel North Pacific seabird Open
We tested the hypothesis that segregation in wintering areas is associated with population differentiation in a sentinel North Pacific seabird, the rhinoceros auklet ( Cerorhinca monocerata ). We collected tissue samples for genetic analys…
View article: Will the California Current lose its nesting Tufted Puffins?
Will the California Current lose its nesting Tufted Puffins? Open
Tufted Puffin ( Fratercula cirrhata ) populations have experienced dramatic declines since the mid-19th century along the southern portion of the species range, leading citizen groups to petition the United States Fish and Wildlife Service…
View article: Where have all the forage fish gone? Response of rhinoceros auklets to an anomalously poor breeding season
Where have all the forage fish gone? Response of rhinoceros auklets to an anomalously poor breeding season Open
The effectiveness of using seabirds as indicators of marine conditions is predicated on the idea that focal species are sensitive to changes in environmental parameters. Species with more behavioral plasticity may be less sensitive to and …
View article: Some like it hot: using citizen science to identify marine bird hotspots in Puget Sound
Some like it hot: using citizen science to identify marine bird hotspots in Puget Sound Open
Puget Sound, situated in the southern portion of the Salish Sea, supports approximately 172 marine bird species that face a multitude of threats, ranging from chronic oiling to entanglement in derelict fishing gear. As local population num…
View article: Factors affecting Snowy Plover chick survival in a managed population
Factors affecting Snowy Plover chick survival in a managed population Open
Understanding survival of precocial chicks in the period immediately following hatching has important conservation implications because population growth is often sensitive to post-hatching survival. We studied federally threatened Western…
View article: Considering Spatial Scale and Reproductive Consequences of Habitat Selection when Managing Grasslands for a Threatened Species
Considering Spatial Scale and Reproductive Consequences of Habitat Selection when Managing Grasslands for a Threatened Species Open
Habitat selection that has fitness consequences has important implications for conservation activities. For example, habitat characteristics that influence nest success in birds can be manipulated to improve habitat quality with the goal o…