Flying squirrels
•Anomalurops beecrofti Beecroft's Flying Squirrel •Anomalurops derbianus Derby's Flying Squirrel •are the two probable species in the Delta, both known by the same Ịjọ  name which is not borrowed from other languages •They occur from Senegal to Zambia and is found in secondary cultivation, so should have been known to migrating Ịjọ