Books
2 results found| Title | Authors | Description | OpenBook ID | |
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The hen harrier | Watson, Donald | Artist, ornithologist and author, Donald Watson has made an especial study of the Hen Harrier Circus cyaneus over many years and his field notes and sketch books of this exceptional bird of prey go b… | OL19855061W |
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Harrier, hawk of the marshes | Frances Hamerstrom | Discusses the physical characteristics and habits of the Northern harrier hawk as revealed in a twenty-five year study. | OL3482039W |