They seemed to be taking whole reeds, perhaps to line their nests in the rocks. Rats can be awfully finicky about their nests.
Rattus rattus, baby. Updated: Evidently actually Rattus norvegicus. See comments.
- Black and white: two Common Ravens and a Glaucus Gull at Bush Terminal. Plus Goldeneye and dead C. Loon. 1 hour ago
amphibians ants Arizona bees beetles birding birds Black Rock Forest books Britain Brooklyn Brooklyn Botanic Garden Brooklyn Bridge Park Bush Terminal butterflies caterpillars Catskills Central Park cicadas Climate crabs Croton Point damselflies Dartmoor Dead Horse Bay dragonflies fish flowers Floyd Bennett Field Fort Tilden Four Sparrow Marsh frogs fungus galls Gastropoda Geology Gowanus Great Swamp Green-Wood honey bees horseshoe crab Hudson Iceland insects invertebrates Jamaica Bay ladybugs Maine mammals Marine Park mollusca Montreal moths mushrooms Nantucket New York Botanical Garden Odonata owls plants Prospect Park Ranger Robin reptiles shells slugs snails spiders St. John Staten Island Sunset Park Texas Thoreau trees turtles Virgin Gorda wasps
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