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.
Niger seed attracts goldfinches and tits quickly. It has tonic-releasing properties and is terrifically oil-rich, which is just what goldfinches are looking for.he main difference with Niger seed bird feeders is the fact that they use a tighter meshwork to keep the bird food from falling out. Unlike tray type feeders, tube feeders need to be able to hold the seeds inside unless drawn out by a bird's beak.