White Wagtail Identification
March 23, 2020
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| White wagtail |
The white wagtail (Motacilla alba) is a small passerine bird in the wagtail family Motacillidae, which also includes the pipits and longclaws. This species breeds in much of Europe and Asia and parts of north Africa. It is resident in the mildest parts of its range, but otherwise migrates to Africa. It has a toehold in Alaska as a scarce breeder. In the British Isles the darker sub-species the pied wagtail (M. a. yarrellii) predominates.
Diet and feeding
The exact composition of the diet of white wagtails varies by location, but terrestrial and aquatic insects and other small invertebrates form the major part of the diet. These range from beetles, dragonflies, small snails, spiders, worms, crustaceans, to maggots found in carcasses and, most importantly, flies in the order Diptera. Small fish fry have also been recorded in the diet. The white wagtail is somewhat unusual in the parts of its range where it is non-migratory as it is an insectivorous bird that continues to feed on insects during the winter (most other insectivorous birds in temperate climates migrate or switch to more vegetable matter).
BEHAVIOUR:
The White Wagtail feeds on numerous small aquatic and terrestrial invertebrates. It catches insects on the ground after a short pursuit, but also on the wing. It pursues the prey with rapid undulating flight, or by short hovering before to hawk it. On the ground, this bird hunts by walking and exploiting all types of surfaces, from roads to roofs and other open areas.
It can pick at preys by running and picking to capture them. It also jumps into the air to hawk a flying insect.
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