Holmes, R. 1959 Erolia alpina 11 June Barrow, Alaska hover or glide or fly and utter a shrilled note which may be short or drawn out. The pitch is lower than that of the Baird's Lark but otherwise they sound very similar. This species often draws the note out for a longer period of time than does the Baird's. These birds also hold their wings in a visible position when first landing and then slowly returning them to the folded position. They were also extremely wary and would not allow a close approach. No definite territorial boundaries seem to be set up, yet. However- when one individual came near a pair, the pair took off and chased the intruder for a considerable distance. After ending the chase, they did not return to exactly the same area, but were nearby (within 150 feet). 12 June Barrow, Alaska Three pairs were noted in the drum area. Chasing was noted once. The flight display was heard, but was