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 |
- Birds described in 1891 include Basra reed warbler, Cape shoveler, charming hummingbird, cobalt-winged parakeet, Lord Howe parakeet, Kermadec red-crowned parakeet, Pangani longclaw, Patagonian yellow finch, Père David's tit,