1900 in birding and ornithology
| Years in birding and ornithology: | 1897 1898 1899 1900 1901 1902 1903 | 
| Centuries: | 19th century · 20th century · 21st century | 
| Decades: | 1870s 1880s 1890s 1900s 1910s 1920s 1930s | 
| Years: | 1897 1898 1899 1900 1901 1902 1903 | 
- Birds described in 1900 include Abd al-Kuri sparrow, brown oriole, montane widowbird, Negros bleeding-heart pigeon, Newell's shearwater, Papuan parrotfinch, Pitcairn reed warbler, scarlet-faced liocichla, white-headed bulbul