Red-billed quelea including annual grasses of the genera "Echinochloa", "Panicum", "Setaria", "Sorghum", "Tetrapogon" and "Urochloa". One survey at Lake Chad showed that two thirds of the seeds eaten belonged to only three species: African wild rice ("Oryza barthii"), "Sorghum purpureosericeum" and jungle rice ("Echinochloa colona"). When the supply of these seeds runs out, seeds of cereals such as barley ("Hordeum disticum"), teff ("Eragrostis tef"), sorghum ("Sorghum bicolor"), manna ("Setaria italica"), millet ("Panicum miliaceum"), rice ("Oryza sativa"), wheat ("Triticum"), oats ("Avena aestiva"), as well as buckwheat ("Phagopyrum esculentum") and sunflower ("Helianthus annuus") are eaten on a large scale. Red-billed queleas have also been
Cannabis sativa Cannabis sativa Cannabis sativa is an annual herbaceous flowering plant indigenous to eastern Asia but now of cosmopolitan distribution due to widespread cultivation. It has been cultivated throughout recorded history, used as a source of industrial fiber, seed oil, food, recreation, religious and spiritual moods and medicine. Each part of the plant is harvested differently, depending on the purpose of its use. The species was first classified by Carl Linnaeus in 1753. The flowers of "Cannabis sativa" are unisexual and plants are most often either male or female. It is a short-day flowering plant, with staminate (male) plants usually taller