1890 in birding and ornithology
| Years in birding and ornithology: | 1887 1888 1889 1890 1891 1892 1893 | 
| Centuries: | 18th century · 19th century · 20th century | 
| Decades: | 1860s 1870s 1880s 1890s 1900s 1910s 1920s | 
| Years: | 1887 1888 1889 1890 1891 1892 1893 | 
Birds described in 1890 include the bamboo warbler, blue-capped ifrit, red satinbird, Española cactus finch, grey-striped spurfowl, hooded cuckooshrike, Laysan finch, maroon-naped sunbird, Patagonian tinamou and Townsend's shearwater.