CONTENTS PART I Men and birds in joint occupation of national parks
Report on the current status of large mammals in the national parks Index (omitted from on-line edition)
Figure 1. Pelican nests exposed to gulls2. Pelican eggs eaten by gulls 3. Pelican fledglings baking in sun 4. Young pelicans congregate in pods 5. The national-park idea 6. Man's normal utilization of land 7. Animals disjoined from their natural habits 8. Park animals in their natural background 9. Park animals not in their natural background 10. Canada geese frequent the roadside 11. Sitting pelicans decide to abandon their nests 12. Osprey nest beside the highway 13. The lake 14. Two little downy grebes 15. Ruddy ducks court and fight 16. The blackbird 17. Portion of Kaibab winter range 18. Perhaps the greatest deer spectacleone perfectly healthy buck 19. Buffalo round-up 20. Product of artificial feeding 21. Moose 22. Antelope in Indian Gardens 23. Under unfavorable conditions 24. East slope of Blacktail Deer Creek Valley 25. Grassland of Yellowstone elk winter range 26. End of the range 27. Sagebrush graveyard 28. Overbrowsed Chrysothamnus 29. Willow thickets killed along Gardiner River 30. Game trails, juniper, sagebrush, on Yellowstone winter range 31. Juniper, pinonstripped as high as elk can reach 32. Elk-browsed Douglas fir 33. Elk-browsed juniper 34. - 35. Elk strip the bark from mature aspens 36. Overbrowsed treeswhat is meant by loss of food and habitat 37. Erosion is under way 38. Hillside trailsa sign of overgrazing 39. Inner gorge of the Colorado 40. Proposed pronghorn range, Grand Canyon National Monument 41. Old earth dam across lake outlet 42. Dry lake bed at foot of Vulcans Throne 43. Vegetation of the Sandrocks 44. Red Rock Lake 45. The trumpeter swan poster 46. Elk trails scarring the hillsides 47. Elk-browsed junipers and Douglas fir 48. Sagebrush carcasses 49. Aspen trunks, smooth and white 50. Aspen trunks, scarred and black 51. The end result: aspens dying 52. Erosion symphonyEstes Park 53. - 54. Scenes along East Rim Drive, Grand Canyon National Park 55. The deer-browsed manzanitas of Yosemite National Park 56. Strange little ponderosa pines 57. - 58. Overgrazing in Giant Forest, Sequoia National Park 59. High Line Canal, Rocky Mountain National Park 60. Waterfowl nesting site makes way for road, Zion National Park 61. Research area program A PDF copy of this document is also available.
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