North American River Otter (Lontra canadensis)

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B70R2421a
Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2421a
B70R2420a
Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2420a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2419a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2417a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2413a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2412a
B70R2403a
Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2403a
B70R2410a
Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2410a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2409a
B70R2399fb
Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2399fb
B70R2397a
Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2397a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2389a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2387a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2379a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2376fb
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2373a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2357a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2371a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2358a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2361a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2350a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2351a
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Lamar River North American River Otter Lontra canadensis Yellowstone National Park Yellowstone Park B70R2354a
LC 09JN6768

When the mothers have established their domain, they give birth to several kits. Litter size can reach five, but usually ranges from one to three. Each otter pup weighs approximately five ounces. At birth, the river otters are fully furred, blind, and toothless. The claws are well-formed and facial vibrissae (about 5 mm long) are present. The kits open their eyes after 30–38 days.
LC 09JN6752
LC 09JN6762
LC 09JN6759
LC 09JN6751
LC 09JN6746
LC 09JN6737
LC 09JN6728
LC 09JN6743
LC 09JN6720
LC 09JN6717

The newborns start playing at 5–6 weeks and begin consuming solid food at 9–10 weeks. Weaning occurs at 12 weeks, and females provide solid food for their progeny until 37–38 weeks have transpired. The maximum weight and length of both sexes are attained at 3–4 years of age.
LC 09JN6718
LC 09JN6715
LC 09JN6710
LC 09JN6707
LC 09JN6701
LC 09JN6685
LC 09JN6694
LC 09JN6684
LC 09JN6683
LC 09JN6664
LC 09JN6672
LC 09JN6661
LC 09JN6658
LC 09JN6659

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