Buhairi Rifqa Moustafid
The Black Stork (Ciconia nigra) is a large bird belonging to the stork family Ciconiidae, characterized by its shy and vigilant nature.
The black stork is commonly encountered alone or in pairs, typically in marshes, rivers, or inland waters.
Its primary diet consists of amphibians, small fish, and insects, and it often moves slowly in shallow water while hunting its prey.
Breeding pairs usually construct nests in large forest trees, such as deciduous or coniferous trees, visible from a distance.
Close relatives of the white stork, they may also nest on large rocks or beneath towering slopes in mountainous areas.
Females lay two to five eggs with a clean, grayish-white color, which may become soiled over time in the nest.
Incubation lasts for 32 to 38 days, with both partners sharing responsibilities, and adulthood is reached in 60 to 71 days.
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The Genius Hunter
Black storks typically hunt in groups, typically consisting of 4 to 6 birds. However, they frequently hunt alone, using clever techniques to gather their prey.
Their hunting strategy above water is notably clever. These long-distance migratory birds move very slowly, spreading their wings like a parasol to cover their heads, thus trapping the surrounding fish.
By covering their heads with their wings, they block out the light, and the fish are unaware that they are in the black stork’s beak.
This method is often referred to as ‘canopy feeding,’ showcasing the cunning hunting technique employed by black storks, among the most deceitful found in the world.
Remarkable Long-Distance Migration
The bird nicknamed ‘Canopy Feeding’ is a long-distance migratory bird that embarks on an impressive journey during winter.
Their European population migrates to Sub-Saharan Africa, while the Asian population flies to the Indian subcontinent.
During migration between Europe and Africa, they avoid crossing the Mediterranean Sea, choosing routes either through the Levant in the east or the Strait of Gibraltar in the west.
These birds can cover a distance of more than 6,213.71 miles (10,000 km) during the migration season.
However, the distance can vary depending on the geographic region where they breed and spend the winter.
For example, the black European stork population can migrate from their breeding areas in Europe to wintering regions in Sub-Saharan Africa, covering a distance of 3,106.86 to 6,213.71 miles or 5,000 to 10,000 kilometers.
Their migration route may involve crossing several countries and different geographic regions.
Their flying speed during migration ranges from 6.21 to 24.85 mph (10-40 km/h), a relatively low speed that allows for efficient energy conservation during long-distance flights.
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Absence of Natural Predators
As creatures in the wild, they may be among the few creatures that lack natural enemies in their environment.
Although they occasionally encounter eagles or even crocodiles, such incidents are extremely rare.
Despite having natural protection from predators, the greatest threat to the black stork is humans.
A tragic incident in Italy in the late 17th century resulted in the complete eradication of the black stork population by human hands.
They prefer to avoid contact with humans and live in seclusion in hard-to-reach habitats.
While generally considered a non-threatening species by the International Union for Conservation of Nature, their actual status remains uncertain.
Despite their broad range, their population is not abundant and appears to be declining in some areas such as India, China, and parts of Western Europe.