Least Bittern mimicking surroundings 68 35. Young Red-winged Blackbirds 71 36. Least Bittern eating her eggs 73 37. Least Bittern on nest 74 _Initial._ Where the Night Herons feed 76 38. Five Night Herons’ nests in swamp maple 79 39. A view in the Heron rookery 80 40. Night Heron feeding 81 41. Young Night Herons in nest 82 42. Young Night Herons leaving nest 83 43. Young Night Herons on branches 84 44. Great Blue Heron, nests and young 88 _Initial._ Tree Swallows on wires 89 45. Hackensack marshes in August 91 46. Marsh mallows 93 47. Wild rice 94 48. Tree Swallows on wires 97 49. Tree Swallows in tree 100 50. Tree Swallows on wire and at pile 102 51. Swallows in the road 104 _Initial._ A corner of Penikese 106 52. Nesting site, nest, and three eggs of Common Tern 110 53. Tern hovering above nest 111 54. Nest and eggs of Tern on upland 112 55. Tern’s nest and eggs in drift _débris_ 113 56. Young Tern hiding on rocky beach 114 57. Young Tern hiding in the grass 115 58. Tern alighting on nest 116 59. Tern on hillside nest 117 60. Tern’s nest and hatching eggs in seaweed 118 61. Tern about to feed young 119 62. Tern brooding young 120 63. Tern on beach nest 121 64. Tern on beach nest 121 65. Tern on upland nest 122 66. Young Terns about four days old 123 67. Young Tern about a week old 124 68. Young Tern, second plumage appearing 124 69. Young Tern, further advance of second plumage 125 70. Young Tern, stage before flight 126 _Initial._ A Percé codfisher 128 71.