Answer to Define base level and distinguish between ultimate base level and temporary (local) base level..
Niger is a oily seed which makes it an excellent energy source for the birds that eat it. But its oily nature also causes it to dry out AND LOSE ITS ATTRACTIVENESS TO BIRDS.Birds will turn their beaks to old niger seed.Avoid waste by only purchasing niger in a quantity you'll use in a month or two.ou may also see it called NygerÂ®. 3) NIGER SEED HAS A SHELL. As small as it is, a niger seed does have a shell. If you think birds aren't eating the seed because you see some on the ground, examine it more closely: you may be seeing mostly the thin niger hulls.
Nyjer seeds are mainly from African daisy which is rich in oil content which can be fed to some species of wild birds. Nyjer seeds are very expensive to buy. Niger plants are mainly seen in Ethiopia and also in some parts of India from around thousand years. The flowers of niger plants are yellowish in colour As its very expensive the one who feeds the seeds will use feeders to avoid the accident spilling.