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    <loc>https://www.petertrull.com/research-education</loc>
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  <url>
    <loc>https://www.petertrull.com/research-education/project-one-gb74e-786ak</loc>
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    <lastmod>2021-07-10</lastmod>
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      <image:title>Research &amp; Education - Barrier Beach Botany - Eastern Red Cedar (Juniperus virginiana)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944031705-BTV8PM5D68L2BOAMF3BD/Saltmarsh-Elder-Baccharis-halimifoliaS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Groundsel Tree (Baccharis halimifolia)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944032472-2X0BA9V4B51BX48RKGNU/Bayberry-Myrica-pensylvanicaS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Bayberry (Myrica-pensylvanica)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944033102-OB2CW8W6OXB0WI5Y6PMM/Seaside-Spurge-Euphorbia-polygonifoliaS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Seaside Spurge (Euphorbia polygonifolia)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944033036-IE91PDQP7KR9QRAMCOR4/left-to-right-Sea-Rocket-Cakile-edentula-Cockle-bur-Xamthium-strumarium-and-dune-grassS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Sea-Rocket (Cakile edentula - left) and Cocklebur (Xamthium strumarium - right)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944033725-3YA446WGFU9PD4I6KSV2/Seabeach-Sandwort-Honckenya-peploidesS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Seabeach Sandwort (Honckenya-peploides)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944033795-F1JF9GIFMIRDKR65V8K9/Dusty-Miller-Artemisia-stellerianaS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Dusty Miller (Artemisia stelleriana)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944034189-4PBTQJCY3B8EMZFICGYH/Poverty-Grass-Hudsonia-tomentosaS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Poverty Grass (Hudsonia-tomentosa)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944034281-DX5J7EWH1XVII3MHDCLA/Poverty-Grass-Hudsonia-tomentosaS-1.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Poverty Grass (Hudsonia-tomentosa)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944034694-PQAE2AZYZA98IX54XKV6/Seaside-Goldenrod-and-wormwoodS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Seaside Goldenrod and Wormwood</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944034896-PMB40QO798Y0RXMIM6UF/Wormwood-Artemisia-caudataS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Wormwood (Artemisia caudata)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944035137-QHHBUL5LPVTKOISDR0SG/Seaside-Goldenrod-Solidago-sempervirens-2S.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Seaside Goldenrod (Solidago sempervirens)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944036790-4MUXE8ACDKWBG36P3TV1/Black-bellied-Plover-in-Ammophila-dune-grassS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Black-bellied Plover in beach grass (Ammophila)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944036987-ZWIX1YTTW2O9QLL40BCO/Beach-Grass-or-Dune-Grass-Ammophila-breviligulataS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Beach Grass or Dune Grass (Ammophila breviligulata)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625944037419-0ZP82UNH3LIU8K3TK9A4/Seaside-Goldenrod-Solidago-sempervirensS.jpg</image:loc>
      <image:title>Research &amp; Education - Barrier Beach Botany - Seaside Goldenrod (Solidago sempervirens)</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.petertrull.com/research-education/project-one-gb74e-7tlje-an3dr</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2021-07-10</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625943091679-3X8H04AIH50OXNBHPF18/Fowlers-ToadS.jpg</image:loc>
      <image:title>Research &amp; Education - Animal Tracks - Fowler's Toad</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625943091760-DVV2MMHJXH8QXV9WF966/White-footed-Mouse-bounding-going-left-hind-feet-in-frontS..jpg</image:loc>
      <image:title>Research &amp; Education - Animal Tracks - White-footed Mouse: bounding, going left, hind feet in front.</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625943092277-84A5N7YHPF8Y34ZYW5Z4/Sneaker-red-fox-american-crow-piping-plover-black-bellied-plover.-Note-larger-black-belly-track-and-PIPL-track-show-no-hallux.-Note-visible-digit-joints-in-crow-tracksS..jpg</image:loc>
      <image:title>Research &amp; Education - Animal Tracks - Red Fox, American Crow, Piping Plover, Black-bellied Plover, and shoe. Note larger Black-bellied track and Piping Plover track show no hallux. Also note visible digit joints in crow tracks.</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625943092525-0B9DOW8GGVFDPHBO7TBN/Horned-Lark-nest-Nauset-Note-tracks-all-over.-How-to-find-a-horned-larks-nest-in-the-dunes....Follow-the-tracksS..jpg</image:loc>
      <image:title>Research &amp; Education - Animal Tracks - Horned Lark nest. Note tracks all over. (How to find a larks nest: follow the tracks.)</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625943092926-OFZ5ZDGALI1QWRTJ631K/opossum-going-left-horned-lark-going-left-long-hallux-or-back-toe-print-obvious.-think-of-a-longspurS.jpg</image:loc>
      <image:title>Research &amp; Education - Animal Tracks - Opossum: going left. Horned Lark: going left (long hallux or back toe print obvious).</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625943093073-K52Z9XFOGKWOJDQB6AEJ/Raccoon-hind-aboveS.jpg</image:loc>
      <image:title>Research &amp; Education - Animal Tracks - Raccoon: hind foot above</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625943093523-4PQ8YZDWAIE1KZQW3L9R/Eastern-Coyote-American-Crow-Great-blue-HeronS.jpg</image:loc>
      <image:title>Research &amp; Education - Animal Tracks - Eastern Coyote. American Crow, and Great Blue Heron</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625943093673-HVNTN89N50CZMCX6YIMV/Eastern-Coyote-in-sand.-Front-foot-and-heel-pad-are-larger-than-hind-foot-printS.jpg</image:loc>
      <image:title>Research &amp; Education - Animal Tracks - Eastern Coyote in sand. Front foot and heel pad are larger than hind foot print.</image:title>
      <image:caption />
    </image:image>
  </url>
  <url>
    <loc>https://www.petertrull.com/research-education/project-one-gb74e-7tlje</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2021-07-10</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625938229141-N1G9FC1SKMLQISURFV8Y/coyote-6S.jpg</image:loc>
      <image:title>Research &amp; Education - Eastern Coyote / Eastern Wolf</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625938245651-33XAPQKXFVJHEB97SNO4/Coyote-Pair_edited-1S-768x499.jpg</image:loc>
      <image:title>Research &amp; Education - Eastern Coyote / Eastern Wolf</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625938260115-38N0K84YWMFEWQPRJRMC/Coyote-LeapingS-768x561.jpg</image:loc>
      <image:title>Research &amp; Education - Eastern Coyote / Eastern Wolf</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.petertrull.com/research-education/project-one-gb74e</loc>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
    <lastmod>2021-07-10</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625937109899-67R7MZ88UY24JKKGUWBG/Wilsons-Storm-Petrel-2S-768x499.jpg</image:loc>
      <image:title>Research &amp; Education - Wilson’s Storm-Petrel - A Wilson's Storm-Petrel "walks" on water</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625937121834-FMU6K1H3ZZYCYHNJ08LB/My-reseach-partner-Sue-Finnegan-photographing-the-primary-molt-and-feather-wear-of-a-Wilsons-Storm-PetrelS..-768x552.jpg</image:loc>
      <image:title>Research &amp; Education - Wilson’s Storm-Petrel - Sue Finnegan examines molt on a storm-petrel</image:title>
      <image:caption />
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625937134737-7Q0RQ1QH04Y9UV7EJVDB/Wilsons-storm-petrelInHandS.jpg</image:loc>
      <image:title>Research &amp; Education - Wilson’s Storm-Petrel - A banded storm-petrel prior to release</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://www.petertrull.com/contact</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2022-03-13</lastmod>
  </url>
  <url>
    <loc>https://www.petertrull.com/home</loc>
    <changefreq>daily</changefreq>
    <priority>1.0</priority>
    <lastmod>2026-01-11</lastmod>
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      <image:title>Home - One of Peter’s life thrills was hosting Dr. Jane Goodall on an intertidal walk on the Brewster flats. Dr. Goodall was visiting The Cape Cod Lighthouse Charter School which runs her “Roots and Shoots” program with middle school students. As they stood talking on the tidal flats of Brewster with the water and substrate slowly embedding their shoes, sinking into the soft muck, she looked down and said. “Peter, it seems the more time you spend here, the more you become a part of it!” The twinkle in her eye said it all.</image:title>
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      <image:caption>All Images on this site are copyright Peter Trull</image:caption>
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      <image:title>Home</image:title>
      <image:caption>All Images on this site are copyright Peter Trull</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/b4b3b18c-67e8-4f8a-a620-a4d8443b8f4c/038A4243.jpg</image:loc>
      <image:title>Home</image:title>
      <image:caption>All Images on this site are copyright Peter Trull</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1d41b535-cb70-4ee4-ab43-e0ef3250e095/01-07+Hooded+Warbler.JPG</image:loc>
      <image:title>Home</image:title>
      <image:caption>All Images on this site are copyright Peter Trull</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/67e618b3-6d6a-477e-9f6e-b2c8789b2249/01-06a+chestnut-sided+watbler.jpg</image:loc>
      <image:title>Home</image:title>
      <image:caption>All Images on this site are copyright Peter Trull</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/346a50f6-6707-4707-927a-f0265c734f77/01-06b+northern+parula.jpg</image:loc>
      <image:title>Home</image:title>
      <image:caption>All Images on this site are copyright Peter Trull</image:caption>
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  </url>
  <url>
    <loc>https://www.petertrull.com/programs</loc>
    <changefreq>daily</changefreq>
    <priority>0.75</priority>
    <lastmod>2022-03-14</lastmod>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625946056720-6HFBC9F48Y466ECSR41M/HumpbackGreatShearwater-768x576.jpg</image:loc>
      <image:title>Programs - The Symbiotic Relationship Between Humpback Whales and Marine Birds.</image:title>
      <image:caption>Symbiotic relationships occur throughout Nature, some subtle, others compelling! In the open sea, Humpback Whales create bubble columns and bubble clouds that trap and drive small fish to the surface, providing an opportunity for a diversity of marine birds to share in the bounty. Symbiosis occurs in three forms, Mutualism, Commensalism and Parasitism. In “The Symbiotic Relationship Between Humpback Whales and Marine Birds”, we’ll see through vivid images how one form, commensalism, occurs in a dynamic display of power and beauty. Learn about the behaviors and adaptations of birds, most notably the gulls, shearwaters and petrels found in our coastal waters, as they coexist with Humpback Whales. A diversity of marine birds and marine mammal species will be shown and described in close-up images.</image:caption>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625947445949-XI4C80ZIBAWB42YTFE27/RoseateTern1c-768x555.jpg</image:loc>
      <image:title>Programs</image:title>
    </image:image>
    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625947549646-DDXHCUX5RB33FDRCURI7/Coyote-768x565.jpg</image:loc>
      <image:title>Programs</image:title>
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    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1625947625890-H1NNK9IB4HCAROF604R1/GraySeals1a-768x512.jpg</image:loc>
      <image:title>Programs</image:title>
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  <url>
    <loc>https://www.petertrull.com/books-publications</loc>
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    <priority>0.75</priority>
    <lastmod>2026-01-11</lastmod>
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      <image:title>Books &amp; Publications</image:title>
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    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1627227389078-JOEB0GWMCNPDDU2Z5G3C/919QYHVDF2L-thumb.jpg</image:loc>
      <image:title>Books &amp; Publications</image:title>
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    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/60e88fdf5a514e547d7fe38d/1627226993774-W3F1Y3MJ4H22JP70VDV0/Coyotes-in-the-Neighborhood2-thumb.jpg</image:loc>
      <image:title>Books &amp; Publications</image:title>
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