The USDA National Wildlife Research Center has published a new brochure outlining the development of Gonecon for deer and OvoControl for pigeons, geese and ducks.
In the "Solutions Through Science" section of their website, NWRC provides a summary of their various initiatives into wildlife contaception. If the link does not work, try pasting the following URL directly into your browser: http://www.aphis.usda.gov/publications/wildlife_damage/content/printable_version/wildlife_contraceptives.pdf