Manuscript describing the author's understanding of the plumage hunters' motivation. The author lays the blame of demand of plumage at the feet of plumage dealers, milliners, and the women who buy plumage.
Manuscript that is compiled of various excerpts. The main focus of the manuscript is the devastation of bird populations due to plumage hunting for fashion and other interests.
Manuscript containing excerpts from the "Plume hunting", "Grebe hunting", and "Notes on grebe skin traffic" manuscripts. This document further expands upon the motivation of plume hunting. Author also provides physical description, observations of behavior, and figurative description of some specimens in the wild.
The handwritten manuscript features a rough draft of "Bird lives" as well as other manuscripts that most likely were broken up into different manuscripts later.
Manuscript discussing how little is known about California condors. The document details physical characteristics and behavior as well as nesting habitats. Features excerpts from "Condor 1."
Manuscript that marvels at how birds adapt and seem to remember their environment. Author remarks on the difference in behavior of birds when they perceive danger.
Manuscript that champions the idea of additional sanctuaries for birds and animals. The document mentions what efforts President Theodore Roosevelt made before retiring from office. The document also highlights a number of refuges in the United States.
Manuscript chronicling the failure of introducing two male swans to two female swans who had been companions for a few years. The author points out that partners should be introduced in the first two years of life as swans mate for life. After such a long period of association, the two birds became dependent upon each other for all types of companionship long before the males were introduced.
Manuscript that delves into the game records for duck hunting, finding that the two states with the largest number of birds bagged were permitted to use bait. The author explains that the reason why there was such a concentration of birds in California and Illinois, is that they lie on the most naturally attractive waterways. Other states are mentioned, but the main focus is on California and Illinois. The document goes on to say that the practice of baiting creates an unfair advantage and those that do not bait tend to later follow after seeing the baiters' success. The federal government banned the use of bait in respects to duck hunting.
Manuscript that focuses on the American white pelican, which according to this document, has an unattractive appearance. The document also describes how the pelican feeds its young.
Manuscript discusses how the waterfowl in Klamath country are now protected from hunters by game laws. The Bureau of Reclamation destroyed areas of sanctuary for waterfowl because the demand for land for agricultural use was so high. According to Dr. C. F. Marbut from the Department of Agriculture, the soil from the land in and around the bed of the Lower Klamath Lake could not support agricultural means successfully. Instead, the area became a refuge similar to Clear Lake.
Manuscript that delves into the perplexing animal that is ring-tailed cat or ringtail. A cousin of the raccoon, the animal can be found in the southwestern part of the Americas from Mexico to southern Oregon. The animal has a strange appearance and prefers to hunt mice and small game. The animal is an omnivore and emits a musky smell.
The subject of this manuscript is the Valley or California quail, which can be found in California, Oregon, and now Washington. The document lists the bird's call, how it defends itself against enemies, and its physical appearance. The document ends with a comparison of the bird to the mountain quail.