S. nigricans
Introduction '''S. nigricans''' may refer to:* ''Santiria nigricans'', a plant species* ''Sayornis nigricans'', the black phoebe, a bird species* ''Scambus nigricans'', an ichmeunon wasp species found in the United Kingdom* ''Serpophaga nigricans'', the sooty tyrannulet, a bird species* ''Siphona nigricans'', Villeneuve, 1930, a fly species in the genus ''Siphona''* ''Stegastes nigricans'', a damselfish species* ''Strophius nigricans'', Keyserling, 1880, a spider species in the genus ''Strophius'' and the family  ''Thomisidae'' found in Trinidad, Peru, Brazil and Paraguay
Synonyms * ''Salix nigricans'', a synonym for ''Salix myrsinifolia'', a willow species native to Europe and Western Siberia
See also * Nigricans (disambiguation)