Nyjer seed – also usually referred to as niger or thistle seed – is popular with many garden bird species. Knowing which birds eat Nyjer can assist birders make a selection the most efficient birdseed and appropriate feeders for their garden flock.
On account of this composition, Nyjer is especially popular as a winter bird food, when birds require foods with more oil and a higher calorie content so they may be able to store fat to live to tell the tale colder temperatures.
The protein in Nyjer may be useful for regenerating feathers when birds molt in the late fall and early spring.
Many seed-eating bird species will happily eat nothing but Nyjer. Birds on the way to take Nyjer from feeders include: House and purple finches, & Song sparrows