Read the bio below and try to give details on john kirk townsend 's:    - caption     - death date       - birth date     - name     - image     - birth place     Bio: john kirk townsend -lrb- august 10 , 1809 -- february 6 , 1851 -rrb- was an american naturalist , ornithologist and collector . townsend was a quaker born in philadelphia , the son of charles townsend and priscilla kirk . he attended westtown school in west chester , pennsylvania and was trained as a physician and pharmacist . he developed an interest in natural history in general and bird collecting in particular . in 1833 , he was invited by the botanist thomas nuttall to join him on nathaniel jarvis wyeth 's second expedition across the rocky mountains to the pacific ocean . townsend collected a number of animals new to science . these included birds such as the mountain plover , vaux 's swift , chestnut-collared longspur , black-throated gray warbler , townsend 's warbler and sage thrasher , and a number of mammals such as the douglas squirrel ; several of these were described by bachman -lrb- 1839 -rrb- from samples collected by townsend .
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- caption is john kirk townsend- death date is february 6 , 1851 august 10 , 1809- birth date is august 10 , 1809- name is john kirk townsend- image is johnkirktownsend.jpg- birth place is philadelphia , pennsylvania