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The crop contents spread out of the crop show clearly that this Alaskan ptarmigan was quite carefully selecting just the very tip of the willow branchlet for dinner.

Image to be compared with this image:

  1   snow, ice, rock (DHJanzen101134.jpg)   2   tundra, river meander (DHJanzen101135.jpg)   3   June, 75 degrees N (DHJanzen101136.jpg)   4   July, 75 degrees N (DHJanzen101137.jpg)   5   vegetation (DHJanzen101138.jpg)   6   perennial grasses (DHJanzen101139.jpg)   7   low perennials (DHJanzen101140.jpg)   8   very small, very old (DHJanzen101141.jpg)   9   underground shrubs (DHJanzen101142.jpg) 10   underground shrub (DHJanzen101143.jpg) 11   heat-trapping butterflies (DHJanzen101144.jpg) 12   many-year-old caterpillar (DHJanzen101145.jpg) 13   black spruce monoculture (DHJanzen101146.jpg) 14   some broadleaf trees (DHJanzen101147.jpg) 15   cylindrical crown (DHJanzen101148.jpg) 16   low sun (DHJanzen101149.jpg) 17   midnight sun (DHJanzen101150.jpg) 18   arctic lemming (DHJanzen101151.jpg) 19   short-tailed weasel (DHJanzen101152.jpg) 20   weasel teeth (DHJanzen101153.jpg) 21   weasel molars (DHJanzen101154.jpg) 22   arctic fox (DHJanzen101155.jpg) 23   wolves (DHJanzen101156.jpg) 24   wolf carnasials (DHJanzen101157.jpg) 25   snowy owl (DHJanzen101159.jpg) 26   skuas (DHJanzen101160.jpg) 27   skua fertilizer (DHJanzen101161.jpg) 28   insectivores (DHJanzen101162.jpg) 29   insectivore chicks (DHJanzen101163.jpg) 30   bird food (DHJanzen101164.jpg) 31   sandpipers (DHJanzen101165.jpg) 32   Eider ducks (DHJanzen101166.jpg) 33   Eiderduck creche (DHJanzen101167.jpg) 34   champion migrator (DHJanzen101168.jpg) 35   sea birds (DHJanzen101158.jpg) 36   seals (DHJanzen101184.jpg) 37   musk ox (DHJanzen101169.jpg) 38   gregarious musk oxen (DHJanzen101170.jpg) 39   slow decomposition (DHJanzen101171.jpg) 40   caribou/reindeer (DHJanzen101172.jpg) 41   antlers? (DHJanzen101173.jpg) 42   ptarmigan (DHJanzen101174.jpg) 43   ptarmigan in winter (DHJanzen101175.jpg) 44   ptarmigan caecum (DHJanzen101176.jpg) 45   ptarmigan caecum (DHJanzen101177.jpg) 46   ptarmigan gizzard stones (DHJanzen101178.jpg) 47   ptarmigan crop (DHJanzen101179.jpg) 48   ptarmigan lunch (DHJanzen101180.jpg) 49   bears (DHJanzen101181.jpg) 50   bear litters (DHJanzen101182.jpg) 51   salmon runs (DHJanzen101183.jpg) 52   coal (DHJanzen101185.jpg) 53   mastodont (DHJanzen101186.jpg) 54   mammoth (DHJanzen101187.jpg) 55   Iclandic countryside (DHJanzen101188.jpg) 56   Iclandic countryside (DHJanzen101189.jpg) 57   Iclandic countryside (DHJanzen101190.jpg) 58   Volcan Orizaba, Mexico (DHJanzen101191.jpg) 59   Volcan Popcatapetl, Mexico (DHJanzen101192.jpg) 60   Chilean andes (DHJanzen101193.jpg) 61   tussock plants (DHJanzen101194.jpg) 62   tussock plants (DHJanzen101195.jpg) 63   guanacos (DHJanzen101196.jpg) 64   guanaco teeth (DHJanzen101197.jpg) 65   spring in a cold world (DHJanzen101198.jpg) 66   snow melt edge (DHJanzen101199.jpg) 67   snow melt edge (DHJanzen101200.jpg) 68   even under the snow (DHJanzen101201.jpg) 69   a wool skirt (DHJanzen101202.jpg) 70   glaciers on mountains (DHJanzen101203.jpg) 71   barren glaciated now (DHJanzen101204.jpg) 72   barren glaciated now (DHJanzen101205.jpg) 73   oak, 2400 m Costa Rica (DHJanzen101206.jpg) 74   4,500 m, Venezuela (DHJanzen101207.jpg) 75   a dandelion forest (DHJanzen101208.jpg) 76   a dandelion woolly tree (DHJanzen101209.jpg) 77   even woolly leaves (DHJanzen101210.jpg) 78   photosynthesize? (DHJanzen101211.jpg) 79   solufluction (DHJanzen101212.jpg) 80   solufluction (DHJanzen101213.jpg)

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slide with image: snow, ice, rock (DHJanzen101134.jpg) tundra, river meander (DHJanzen101135.jpg) June, 75 degrees N (DHJanzen101136.jpg) July, 75 degrees N (DHJanzen101137.jpg) vegetation (DHJanzen101138.jpg) perennial grasses (DHJanzen101139.jpg) low perennials (DHJanzen101140.jpg) very small, very old (DHJanzen101141.jpg) underground shrubs (DHJanzen101142.jpg) underground shrub (DHJanzen101143.jpg) heat-trapping butterflies (DHJanzen101144.jpg) many-year-old caterpillar (DHJanzen101145.jpg) black spruce monoculture (DHJanzen101146.jpg) some broadleaf trees (DHJanzen101147.jpg) cylindrical crown (DHJanzen101148.jpg) low sun (DHJanzen101149.jpg) midnight sun (DHJanzen101150.jpg) arctic lemming (DHJanzen101151.jpg) short-tailed weasel (DHJanzen101152.jpg) weasel teeth (DHJanzen101153.jpg) weasel molars (DHJanzen101154.jpg) arctic fox (DHJanzen101155.jpg) wolves (DHJanzen101156.jpg) wolf carnasials (DHJanzen101157.jpg) snowy owl (DHJanzen101159.jpg) skuas (DHJanzen101160.jpg) skua fertilizer (DHJanzen101161.jpg) insectivores (DHJanzen101162.jpg) insectivore chicks (DHJanzen101163.jpg) bird food (DHJanzen101164.jpg) sandpipers (DHJanzen101165.jpg) Eider ducks (DHJanzen101166.jpg) Eiderduck creche (DHJanzen101167.jpg) champion migrator (DHJanzen101168.jpg) sea birds (DHJanzen101158.jpg) seals (DHJanzen101184.jpg) musk ox (DHJanzen101169.jpg) gregarious musk oxen (DHJanzen101170.jpg) slow decomposition (DHJanzen101171.jpg) caribou/reindeer (DHJanzen101172.jpg) antlers? (DHJanzen101173.jpg) ptarmigan (DHJanzen101174.jpg) ptarmigan in winter (DHJanzen101175.jpg) ptarmigan caecum (DHJanzen101176.jpg) ptarmigan caecum (DHJanzen101177.jpg) ptarmigan gizzard stones (DHJanzen101178.jpg) ptarmigan crop (DHJanzen101179.jpg) ptarmigan lunch (DHJanzen101180.jpg) bears (DHJanzen101181.jpg) bear litters (DHJanzen101182.jpg) salmon runs (DHJanzen101183.jpg) coal (DHJanzen101185.jpg) mastodont (DHJanzen101186.jpg) mammoth (DHJanzen101187.jpg) Iclandic countryside (DHJanzen101188.jpg) Iclandic countryside (DHJanzen101189.jpg) Iclandic countryside (DHJanzen101190.jpg) Volcan Orizaba, Mexico (DHJanzen101191.jpg) Volcan Popcatapetl, Mexico (DHJanzen101192.jpg) Chilean andes (DHJanzen101193.jpg) tussock plants (DHJanzen101194.jpg) tussock plants (DHJanzen101195.jpg) guanacos (DHJanzen101196.jpg) guanaco teeth (DHJanzen101197.jpg) spring in a cold world (DHJanzen101198.jpg) snow melt edge (DHJanzen101199.jpg) snow melt edge (DHJanzen101200.jpg) even under the snow (DHJanzen101201.jpg) a wool skirt (DHJanzen101202.jpg) glaciers on mountains (DHJanzen101203.jpg) barren glaciated now (DHJanzen101204.jpg) barren glaciated now (DHJanzen101205.jpg) oak, 2400 m Costa Rica (DHJanzen101206.jpg) 4,500 m, Venezuela (DHJanzen101207.jpg) a dandelion forest (DHJanzen101208.jpg) a dandelion woolly tree (DHJanzen101209.jpg) even woolly leaves (DHJanzen101210.jpg) photosynthesize? (DHJanzen101211.jpg) solufluction (DHJanzen101212.jpg) solufluction (DHJanzen101213.jpg)