56 BIRD FRIENDS 



variety of interesting things to attract one's atten- 

 tion. 



What to study. Beginning in the early spring- 

 time and continuing till the last of May, one may 

 keep a record of the spring migration. In its sim- 

 plest form this may consist of two columns giving 

 the name of the bird and the date when first seen. 

 To this may be added as many more points as one 

 wishes, such as place where seen, number, etc. 

 These records may be kept in the following tabular 

 form : 



It is interesting to spend all of a day or a part 

 of a day during May in the field, to see how many 

 birds one can find in a day. This is the season when 

 one can find the greatest number in the northern 

 United States, as it may include permanent and 

 summer residents and transient visitants. 



Songs. Shortly after birds arrive in the spring, 

 they are in full song, and this bird music forms one of 

 the most attractive features for study. Some of the 

 things that may be noted are the time of day when 

 the song is given, length of singing-season, character 

 of song, its variety, pitch, quality, location of bird 

 when given, and whether given on the wing. Some 

 brief description of the song written in a notebook 



