Algerian Black-Headed Jay – Garrulus Cervicalis – Original Hand-Coloured Lithograph

Engraver: John Gerrard Keulemans
Publisher: L’Imprimerie Nationale
Price: £85
Publication Date: Not dated but c.1876
Format: Original hand-coloured lithograph
Condition: In very good condition, unframed
Sheet Size: Sheet Size: 32.5cm x 25cm

Condition:

Original hand-coloured lithograph. Minor age-toning to the margins. In very good indeed, clean condition overall. A rare plate from this important work.

Location: Map Drawer B: FS: Folder JGK 001882

Algerian Black-Headed Jay: A Brief Description

The Algerian Black-Headed Jay (Garrulus cervicalis), also known as the Maghreb Jay, is a distinctive bird species found in the forested regions of North Africa, particularly in Algeria. It is closely related to the Eurasian Jay (Garrulus glandarius) and shares many of its behaviours and ecological roles. However, the Algerian Black-Headed Jay has some unique features that set it apart, particularly its striking black head, which gives it its common name.

Physical Description:

• Size: The Algerian Black-Headed Jay is a medium-sized bird, typically measuring around 32 to 35 cm (12 to 14 inches) in length, with a wingspan of approximately 50 to 58 cm (20 to 23 inches). It has a strong, stocky build, typical of other jays.
• Plumage:
  • Head and Crest: The most striking feature of this jay is its black head and neck. Unlike the Eurasian Jay, which has a more variable head colour, the Algerian Black-Headed Jay has a solid, deep black head that extends to the nape.
  • Body: The body is primarily greyish-pink, similar to other jays, but with a more muted tone. The underparts are a pale, sandy-brown colour, which blends well with its woodland environment.
  • Wings and Tail: The wings feature vibrant blue and black barring, a common trait among jays, and are particularly visible in flight. The tail is dark, contrasting with the lighter body.
• Bill and Eyes: The bill is black, robust, and slightly hooked, designed for foraging and cracking open nuts and seeds. The eyes are dark and expressive, giving the bird a sharp, intelligent appearance.

Distribution and Habitat:

• Range: The Algerian Black-Headed Jay is endemic to the Maghreb region of North Africa, primarily found in Algeria, with possible populations in neighbouring Tunisia and Morocco. Its distribution is limited compared to other jay species, and it is most commonly associated with the forests of the Atlas Mountains and coastal regions.
• Habitat: This jay prefers temperate woodlands, especially oak, pine, and cork forests. It thrives in dense, mature forests but is also found in scrubland areas with scattered trees. The bird’s habitat often overlaps with Mediterranean-type ecosystems, where it can find an abundance of food and suitable nesting sites.

Diet and Foraging:

• Omnivorous Diet: Like other jays, the Algerian Black-Headed Jay has a varied diet, feeding on nuts, seeds, fruits, insects, and small invertebrates. Acorns are a particular favourite, and the bird is known for storing them for later consumption.
• Foraging Behaviour: This jay is an opportunistic feeder, often seen foraging on the ground or in trees. It uses its strong bill to crack open nuts and dig for insects in the soil or under bark. During the autumn, it caches food, particularly acorns, which it stores in the ground or in crevices to help it survive through the winter.

Breeding and Nesting:

• Breeding Season: The breeding season for the Algerian Black-Headed Jay generally begins in late spring, from April to June, depending on local conditions.
• Nesting: The jay builds its nest in trees, usually in the dense branches of tall trees such as oaks or pines. The nest is constructed from twigs, grasses, and leaves and is lined with softer materials like feathers or moss.
• Clutch Size: The female typically lays 4 to 6 eggs, which are pale greenish-blue with brown speckles. Both parents share the responsibility of incubating the eggs, which hatch after about 16 to 18 days.
• Parental Care: The chicks are altricial, meaning they are born helpless and require full parental care. Both parents feed the chicks, and the young remain in the nest for about three to four weeks before fledging. Even after fledging, the young birds may stay with the parents for a short time before becoming fully independent.

Vocalisations:

The Algerian Black-Headed Jay is a vocal species, known for its wide range of calls and sounds. It produces loud, harsh calls, often used to warn others of predators or intruders in its territory. In addition to these alarm calls, it also makes softer, more melodious sounds, particularly during courtship. Like other jays, it is capable of mimicking the calls of other birds and sounds from its environment.

Behaviour:

• Social Structure: The Algerian Black-Headed Jay is generally seen alone or in pairs during the breeding season, but outside of the breeding period, it may gather in small family groups. It is territorial and will defend its nesting area from other jays and potential predators.
• Intelligence and Problem-Solving: As a member of the corvid family, this jay is highly intelligent. It has been observed using problem-solving skills to access food and exhibits excellent memory, particularly in locating its hidden food caches.
• Flight: The flight of the Algerian Black-Headed Jay is strong and direct, with rapid wingbeats interspersed with glides. The bird’s striking black head and vibrant blue wing patches are especially noticeable in flight.

Conservation Status:

The conservation status of the Algerian Black-Headed Jay is not well-documented due to its limited range and the lack of extensive research on its population trends. However, the species is thought to be relatively stable in its forested habitats, although habitat loss due to deforestation and human encroachment could pose a future threat. Its reliance on mature forests means that conservation efforts in the Maghreb region’s woodlands are crucial for its continued survival.

Ecological Role:

The Algerian Black-Headed Jay plays a key role in the forest ecosystems of the Maghreb. As a seed disperser, it contributes to the regeneration of oak and pine forests by caching acorns and other nuts. Many of these stored seeds are not retrieved and eventually germinate, promoting forest growth. The jay also helps control insect populations, particularly during the breeding season when it consumes large quantities of insects to feed its young.

Interesting Facts:

• Endemic to North Africa: The Algerian Black-Headed Jay is unique to the Maghreb region, making it a symbol of the biodiversity found in North Africa’s forests. Its limited range adds to its ecological and cultural significance.
• Food Caching: Like other jays, this species is known for its food-storing behaviour, particularly in autumn when it hides acorns and other nuts to eat later. Its ability to remember the locations of its caches demonstrates its advanced memory and intelligence.
• Similarities and Differences: While it shares many similarities with the Eurasian Jay, the Algerian Black-Headed Jay is distinguished by its darker head and its adaptation to the specific Mediterranean-type ecosystems of North Africa.

In summary, the Algerian Black-Headed Jay is a fascinating and distinctive bird of the Maghreb, known for its striking black head, intelligent behaviour, and role in forest ecosystems. Its dependence on mature, healthy forests and its limited geographical range make it an important species for conservation efforts in North Africa. Through its foraging and seed-caching activities, the Algerian Black-Headed Jay helps maintain the biodiversity and health of the region’s forests.

John Gerrard Keulemans: A Short Biography

John Gerrard Keulemans (1842–1912) was a prolific and influential Dutch bird illustrator whose work remains celebrated for its accuracy and artistic detail. He was born on June 8, 1842, in Rotterdam, Netherlands. From a young age, he showed an interest in natural history, particularly in birds, and this passion guided him toward a career in scientific illustration.

Early Life and Career

Keulemans studied under Hermann Schlegel at the Natural History Museum in Leiden, where he honed his skills as a naturalist and artist. This connection led to one of his early assignments: joining an expedition to West Africa in 1864 to collect specimens. His work during this period helped him establish his reputation as both a naturalist and an illustrator. He documented various species of birds, adding greatly to the knowledge of African avifauna.

Move to London and Prolific Period

In 1869, Keulemans moved to England, where he would spend the rest of his career. London at that time was a hub of scientific research and publishing, making it an ideal base for an artist like Keulemans. He quickly became a leading illustrator for many of the major ornithological works of the 19th century.

Major Works

Keulemans illustrated more than 100 books on natural history, with his most famous contributions to:

• “The Birds of Great Britain” (1862–1873) by John Gould – Keulemans contributed to many of Gould’s other works, but this publication remains one of the most significant.
• “A History of the Birds of New Zealand” (1873, 1888, 1906) by Sir Walter Buller – Keulemans’ illustrations were essential to the understanding of New Zealand’s birdlife.
• “The Ibis” and “Proceedings of the Zoological Society of London” – leading ornithological journals where Keulemans’ works regularly appeared.
• “The Avifauna of Laysan” and “The Birds of the Hawaiian Islands” by R. C. L. Perkins.

Keulemans’ distinctive style involved the meticulous depiction of birds in natural, life-like poses. His plates were highly detailed, showcasing the nuances of feathers and anatomy, and he often portrayed birds in natural habitats to highlight their behaviour and environment.

Style and Techniques

Keulemans mainly worked in lithography, a printmaking process that allowed for mass production of his artwork while maintaining high-quality detail. He was known for his ability to bring a bird’s plumage and colour to life on paper, despite the limitations of the printing techniques of the time. His method involved working with specimens, either from museums or from field collections, to create scientifically accurate and dynamic illustrations.

Personal Life

Keulemans lived in England for much of his life and married in 1871. He fathered 11 children, though only six survived into adulthood. Despite his immense output and contributions to science, Keulemans often struggled financially, a common challenge for many illustrators of his era.

Legacy

John Gerrard Keulemans passed away on March 29, 1912, in Ilford, Essex, England. His legacy is firmly cemented in the world of ornithological illustration. His works continue to be highly regarded for their scientific value and artistic beauty. Many of his original illustrations are held in museums and private collections, and his detailed depictions are still referenced by ornithologists and bird enthusiasts today.

Keulemans’ work represents an important bridge between the art of the natural world and scientific inquiry, providing invaluable insight into bird species from around the world during a period when photography was still in its infancy. His illustrations remain among the finest examples of ornithological art.

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