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This set contains all five volumes covering birds, reptiles, amphibians, fishes and mammals. Volumes are also sold separately.
Dr. Norris has done research in environmental endocrinology and neuroendocrinology for more than 40 years, investigating the role of natural (e.g., photoperiod, temperature) and anthropogenic environmental factors (metals, pesticides, estrogens, industrial pollutants) on thyroid, adrenal, and reproductive endocrinology in regards to development, sexual maturation, seasonal reproduction, and aging. Most of his research has involved fishes and amphibians.