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236. \SYNOPSISCAND: ALPHABEDTICAL GEN DEX 
These birds have been described and differentiated 
and their haunts and notes given on pp. I3I-4. 
Lengths: Grey and Pied Wagtails, 74 inches; Yellow 
Wagtail (the smallest), 6inches. Flight : Louping (undu- 
lating), movements very graceful. Food: Insects 
chiefly. Habits: Keep wagging the tail up and down 
constantly. Run quickly on the ground. Often on the 
ground, but perch also. The Pred is the one fondest of 
water (Water Wagtail). Found: Generally distri- 
buted. The fred and the yellow are the commonest. 
Partial to the same locality. Migration: The Yellow 
Wagtail is a pure migrant leaving in autumn and arriv- 
ing March to April. Of the others, the Pred Wagtail goes 
south in the autumn, some going to the Continent ; the 
Grey Wagtail goes north in the autumn, returning in 
spring. Male and female: Much alike. Nests: In 
March to April. Open, cup, shallow. Situated : Gener- 
ally on the ground, or in a bank and in grass, but some- 
times in odd places. Made of: Grass chiefly, and fine 
roots and twigs, and lined with hair, feathers and wool. 
Second nests: Probably two broods each year. Eggs: 
Yellow Wagtail: White ground, mottled pale olive 
brown; Pred Wagtail: Pale bluish, spotted greyish- 
brown; Grey Wagtail: White or grey, mottled and 
spotted brown and olive. All five or six. 
