1891 in birding and ornithology

Years in birding and ornithology: 1888 1889 1890 1891 1892 1893 1894
Centuries: 18th century · 19th century · 20th century
Decades: 1860s 1870s 1880s 1890s 1900s 1910s 1920s
Years: 1888 1889 1890 1891 1892 1893 1894
Jackson's widowbird Ibis 1891