Southern Fiscal (Lanius collaris) lives in open woodland across Southern Africa. It feeds on insects and spiders. Its conservation status is Least Concern.
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A real field recording of the Southern Fiscal, made in the wild.
The southern fiscal keeps its captured insects and small rodents safe by stabbing them onto sharp acacia thorns, creating a personal larder that can be returned to later. This striking habit not only supplies food during scarce periods but also gave rise to its colourful nicknames. Observers have called it both jackie hangman and butcher bird because of this impaling behaviour.
When winter arrives or the bird lives at high altitude, it deliberately lowers its body temperature while boosting oxygen use and evaporative water loss, a suite of adjustments that help conserve energy in the cold. At the same time its basal metabolic rate rises, providing the extra heat needed for survival.
A southern fiscal's defended area is closely tied to how many perches are available for spotting prey; the more perches, the smaller the territory it needs to patrol. Experiments that added artificial perches showed the birds shrinking their ranges, which in turn permitted additional neighbours to settle nearby. Thus perch density directly shapes how much ground a single fiscal will claim as its own.
In eastern Africa the southern fiscal is a major predator of the plain tiger butterfly, regularly catching the colourful insects as part of its diet. It hunts from exposed perches or the tops of shrubs, and during the summer it can hunt from an hour before sunrise until just before sunset.
Measuring just 21-23 cm in length, the southern fiscal displays stark black plumage from the crown down to the tail, contrasting sharply with its white underparts. A distinctive white "V" marks its back, and the long black tail is edged with white outer feathers and tipped in white, giving it a striking silhouette in flight. Its bill, eyes and legs are also black, completing the bold colour scheme.
Sources
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In the sun-drenched savannas, the Southern Fiscal reigns as a monarch of discerning taste, its sleek black plumage and snowy collar a testament to its refined character. With a lithe, deliberate stride, it patrols the grasslands, ever vigilant for the slightest stir of insect life, its sharp eyes scanning the terrain with an unyielding intensity. As it moves, its tail flicks back and forth with a slow, hypnotic rhythm, a subtle metronome that underscores its mastery of this unforgiving yet beautiful landscape.
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