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Harbor seals are a widely distributed, small phocid species. Within Pinnipedia, the “feather-footed” order of seals, sea lions, and walruses, phocids are “true” or “earless” seals (Walker 1999). Harbor seals can be found along the temperate coastal regions of Europe, North America, and Asia.
Feb 2, 2022 · The 550 most commonly seen birds are pictured with plumage variations, and images of subspecies and information on similar birds are provided to make differentiation easy, from game birds and waterfowl to shorebirds and swifts to owls, flycatchers, finches, and more.
Birds of North America (Peterson Field Guide) - Free ebook download as PDF File (.pdf) or read book online for free. aves de norte america
This photographic identification guide covers more than 530 species of birds that regularly occur in the western half of North America. It is slightly larger than most field guides, including the popular National Geographic Society's Field Guide to the Birds of North America, which is continental in coverage.
- Leroy Harper
Dec 15, 2018 · Complete archive of high-res plate scans of John Audubon's "Birds of North America". Contains full-res scans as well as lower-res copies. All 435 plates are here, as are the scripts and other things used to create this archive.
Jan 12, 2023 · Presents a guidebook which provides identification tips, information on behavior and nesting, locator and range maps, and plumage and species classification data on over one thousand species of birds found in North America
Jan 5, 2021 · The harbour seal (Phoca vitulina) is the world’s most widely distributed pinniped species ranging from temperate to Arctic regions (30–78.5 °N in the Atlantic, 28–61.2 °N in the Pacific), but no...
