Alexander Wetmore in Panama Holding an Agami Heron, by Perrygo, Watson M. 1906-1984, April 16, 1947, Smithsonian Archives - History Div, In Rio Imamado, Darien, Panama, Alexander Wetmore, ornithologist and sixth Secretary of the Smithsonian, stands leaning against a fallen tree holding an agami heron he has caught. Wetmore went to Panama to collect birds, 1946-1953..