Diphyllodes Speciosa – Original Lithograph – John Gould – Bird-Of-Paradise

Artists: Gould, John & Hart, W
Price: £950.00
Publisher: Taylor and Francis for Henry Sotheran & Co
Publication Date: 1875-1888
Format: Original hand-coloured lithograph heightened with gum arabic
Condition: Very good plus, bright copy with very good margins
Sheet Size: 54.2cm x 36.8cm
Series: From ‘The Birds of New Guinea and the Adjacent Papuan Islands’

This exquisite original lithograph with contemporary hand-colouring is from John Gould’s magnificent work, ‘The Birds of New Guinea and the Adjacent Papuan Islands,’ produced between 1875 and 1888. It exhibits the meticulous detail and vibrant use of colour that define the Goulds’ lithographs. Very minor age toning and creasing and with none of the usual textual off-setting. A very good plus, bright, copy with very good margins. Location: Map Drawer B: Folder: GBNG. 003315

Diphyllodes Speciosa: A Brief Account

Introduction

Diphyllodes speciosa is one of the most beautiful and distinctive members of the bird-of-paradise family (Paradisaeidae). Though historically less well known than its close relatives, it occupies an important position within the Diphyllodes lineage. The species is celebrated for its rich coloration, elegant courtship ornaments, and the striking contrast between male extravagance and female practicality—an evolutionary hallmark of the group. Like many birds-of-paradise, it offers compelling insights into sexual selection, island biogeography, and rainforest ecology.

Taxonomy and Position within the Genus

Genus: Diphyllodes
Species: speciosa

The genus Diphyllodes includes several of the most ornate paradisaeids, recognised for their iridescent shields, filamented tail feathers, and golden or orange wing patches. Diphyllodes speciosa is taxonomically close to the Golden-winged Bird-of-Paradise (D. chrysoptera) and the King Bird-of-Paradise (Cicinnurus regius, historically linked through early classification). The epithet speciosa—meaning “splendid” or “beautiful”—reflects the male’s vivid plumage.

Physical Description

Male

The male D. speciosa is exceptionally ornate, with features that include:

• Velvety black body plumage, absorbing light and creating dramatic contrast
• Brilliantly coloured breast shield, typically iridescent and shifting between emerald, turquoise, and metallic blue
• Golden or flame-orange wing patches, depending on locality and individual variation
• Pair of elongated tail wires, slender, springy feathers ending in small ovoid discs or plumes
• Glossy head feathers, often coppery or greenish, which alter hue with movement

Together, these elements form a highly theatrical appearance that becomes even more spectacular in the context of the male’s display behaviour.

Female

As with most birds-of-paradise, the female is:

• Brown to rufous in overall colouring
• Finely barred beneath
• Moderately long-tailed
• Built for camouflage, prioritising survival and nesting concealment

Her modest appearance belies her central role in mate selection and the evolutionary pressure shaping male ornamentation.

Distribution and Habitat

Diphyllodes speciosa is associated with lowland and lower montane rainforest within New Guinea and certain surrounding island systems. It inhabits:

• Dense primary forest
• Well-developed secondary growth
• Mid-storey to canopy layers, where display sites and fruiting trees are accessible

The species’ distribution is often patchy, reflecting ecological preferences, altitude limits, and forest continuity.

Diet and Foraging Ecology

The species is primarily frugivorous, consuming a range of:

• Soft fruits
• Berries
• Fleshy drupes

Supplementary feeding on insects and other small invertebrates provides protein necessary for breeding and feather maintenance. Foraging typically takes place in the mid-storey or canopy, sometimes in association with mixed-species flocks.

Courtship and Behaviour

Display Sites

Males maintain courts or display perches—cleared branches or open spaces within the forest—where they perform ritualised displays for visiting females.

Courtship Display

The display of D. speciosa is highly stylised and characteristic of its genus:

• The male positions himself to maximise the reflection of light on the breast shield.
• The golden or orange wing patches are lifted, flared, or vibrated to create startling flashes of colour.
• Tail wires are arched or swung forward in synchrony with body posture.
• A sequence of calls—often sharp, metallic, or buzzing—is used to maintain the female’s attention.

Courtship in birds-of-paradise is a form of evolutionary theatre: females compare males across complex behavioural and aesthetic criteria, with only a few achieving regular success.

Reproduction and Nesting

Breeding behaviour follows the classic polygynous pattern of the Paradisaeidae:

• Males do not assist with nesting or chick rearing.
• Females build nests independently, often concealed in dense foliage.
• Nests are typically cup-shaped, woven from plant fibres and positioned on secure branches.
• Clutches usually consist of one egg, occasionally two.

The female incubates and rears the chick alone, relying heavily on camouflage and careful nest placement to avoid predation.

Conservation Status

Diphyllodes speciosa is not widely regarded as imminently threatened, but it faces the same pressures affecting many New Guinean forest birds:

• Habitat loss due to logging, mining, and agricultural expansion
• Forest fragmentation, which isolates populations
• Local disturbance from hunting or resource collection

Its survival depends on the conservation of continuous, mature rainforest. Many populations persist in remote regions less affected by development, but long-term monitoring is essential.

Significance in Natural History and Culture

1. speciosa has long fascinated naturalists, collectors, and illustrators. Historical expeditions to New Guinea highlighted the species as an emblem of the region’s extraordinary biodiversity. It has appeared in:

• Victorian natural history folios
• Museum displays
• Contemporary ornithological field guides
• Studies on sexual selection and plumage evolution

Its impeccable symmetry of form, iridescent colours, and delicate ornaments make it a model organism for understanding the extremes of aesthetic evolution in birds.

Conclusion

Diphyllodes speciosa is a jewel of the New Guinean rainforest: visually extraordinary, behaviourally intricate, and biologically informative. It stands as a testament to the power of sexual selection and the evolutionary creativity of isolated tropical ecosystems. Its conservation is not simply a matter of preserving a single species, but of safeguarding the ancient, complex forests that allow such remarkable creatures to exist.

John Gould and The Birds of New Guinea: A Brief Account

Introduction

The Birds of New Guinea and the Adjacent Papuan Islands is one of the last and least widely known of John Gould’s monumental ornithological enterprises, yet it stands among his most significant. Produced during the final years of his life and completed posthumously by his collaborators, the work represents a culmination of decades of scientific fieldwork, artistic innovation, and international collaboration. It captures a region then barely known to European naturalists: a vast archipelago of extraordinary avian diversity, including some of the most striking birds on earth.

Context: Gould’s Role in Nineteenth-Century Ornithology

John Gould was the leading British ornithological publisher and illustrator of the nineteenth century. His folio volumes set new standards for natural history illustration in terms of ambition, accuracy, and technical quality. Although not a field collector himself, Gould was an exceptional synthesiser of information. He drew on explorers, colonial officers, museum curators, and professional collectors to gather specimens and field notes from across the world.

By the time he turned his attention to New Guinea, he had already produced major works on the birds of Europe, Asia, Australia, and the Himalayas. His earlier Birds of Australia was particularly influential, establishing many new species and generating an enduring visual record of the continent’s wildlife. New Guinea, by contrast, remained one of the least studied regions, its mountainous interior and dense forests proving difficult and dangerous for Victorian exploration.

Scientific Scope and Ambition

Gould’s New Guinea project aimed to document the region’s avifauna comprehensively at a time when systematic knowledge was fragmentary. The title’s reference to “adjacent Papuan Islands” signals the geographic breadth of the work: it encompassed not only mainland New Guinea but also outlying archipelagos, many of which hosted endemic species with limited distributions.

The volume is particularly notable for its coverage of:

• Birds-of-paradise, whose elaborate plumage and courtship displays had captivated European naturalists since the sixteenth century
• Parrots, pigeons, and kingfishers, many of which were little known or newly described
• Passerines unique to isolated island ecosystems
• Species newly discovered in northern Australia, reflecting the ecological links between the Cape York peninsula and southern New Guinea

The inclusion of recently collected Australian species signals the blurred biological boundary between the two landmasses—an insight consistent with later biogeographical theories, notably the fauna shared across the Torres Strait.

Fieldwork and Specimen Collection

Because Gould was constrained by illness, age, and the distance involved, he relied heavily on others for primary fieldwork. Professional collectors such as Alfred Russel Wallace, Carl Hunstein, Andrew Goldie, and other local and European naturalists provided specimens, skins, eggs, and behavioural notes. Many of these collectors endured extreme conditions, from malarial swamps to mountainous terrain, often working in partnership with Indigenous guides whose deep ecological knowledge was critical to locating elusive species.

The specimens were shipped to London, where Gould and his team prepared them for study. Detailed measurements, observations of plumage, and comparative analysis with existing museum material allowed Gould to identify numerous new species and subspecies.

Artistic Methods and Illustration

The illustrations accompanying the text are among the most vivid depictions of New Guinean birdlife produced in the nineteenth century. Although Gould remained the artistic director, much of the day-to-day work was undertaken by his trusted lithographers and colourists, including Henry Constantine Richter and, later, William Hart.

Key characteristics of the plates include:

• Hand-coloured lithography: each print required skilled colourists to apply washes by hand, resulting in vibrant, textured images.
• Naturalistic poses: Gould’s team increasingly depicted birds in lifelike stances rather than stiff, diagrammatic postures common in earlier natural history art.
• Botanical context: many species are shown with branches, flowers, or fruits native to their habitats, giving ecological context as well as aesthetic richness.
• Accuracy of plumage: birds-of-paradise especially demanded meticulous work to convey iridescence, elongated filaments, and complex ornaments.

These plates played a crucial role in making the New Guinean avifauna known to European science and collectors.

Taxonomic Contributions

The work identified numerous new species, clarified earlier misclassifications, and provided the first detailed descriptions of many Papuan birds. Gould’s taxonomic judgement, though constrained by the limits of Victorian knowledge, was generally respected for its precision and conservative approach to naming.

Among its key contributions:

• Establishment of several new birds-of-paradise species now central to evolutionary studies
• Early recognition of the diversity of Papuan parrots and lories
• Clarification of the affinities between New Guinean and Australian birds
• Documentation of island endemism, contributing to later biogeographical theory

Although some nomenclature has since changed, the scientific groundwork laid in the volume remains historically important.

Publication, Collaboration, and Completion After Gould’s Death

Gould worked on the New Guinea project until his death in 1881. His colleague, Richard Bowdler Sharpe of the British Museum, oversaw the completion of the remaining text and organisation of the plates. This collaboration ensured continuity of scientific method and maintained the high production standards associated with Gould’s name.

The final publication was issued in parts between the late 1870s and mid-1880s, following the subscription model typical of Gould’s earlier works. The folio format, substantial paper, and rich hand-colouring made the volumes expensive and labour-intensive to produce.

Reception and Legacy

At the time of publication, The Birds of New Guinea was celebrated for revealing an ornithological frontier. Victorian scientists valued its combination of lavish illustration and authoritative description. Its influence extended to taxonomy, museum collections, and broader popular interest in the exotic wildlife of the Papuan region.

In modern scholarship, the work is valued for:

• Historical context: it captures a pivotal moment when European natural history was expanding into poorly documented regions.
• Artistic excellence: the plates are prized for their beauty and craftsmanship.
• Scientific data: despite later revisions, the work provides essential baseline descriptions for many species.
• Colonial histories: the book reflects the complex relationships between European naturalists and the Indigenous communities who facilitated access to remote landscapes.

Fine copies of the work remain highly sought after by collectors, libraries, and institutions worldwide. Its plates occasionally appear in exhibitions of Victorian natural history art.

Conclusion

The Birds of New Guinea and the Adjacent Papuan Islands stands as one of Gould’s last great achievements and a vital record of the extraordinary avifaunal diversity of the Papuan region. Combining scientific rigour, artistic mastery, and contributions from a network of collectors and field naturalists, the work embodies the ambition and complexity of nineteenth-century natural history publishing. For modern readers, it offers both a window into Victorian science and an enduring celebration of one of the world’s richest bird habitats.

Cataloguer: Daniel Hornsey of Hornseys, Ripon

Daniel Hornsey, a partner of Hornseys in Ripon, is widely regarded as a trusted specialist in the field of rare and second-hand books. As a long-standing member of the antiquarian book trade, he has advised private collectors, curated catalogues, and sourced works for leading dealers, libraries and institutions across the world.

Hornseys, an established independent bookshop and gallery, is known for its careful curation and its emphasis on quality. Under Daniel Hornsey’s guidance, the shop has become a respected destination for collectors seeking rare, well-preserved, and accurately described volumes. Collectors value his transparency, his attention to detail, and his commitment to presenting books exactly as they are, without exaggeration. This reliability is essential in a field where subtle differences in condition or printing can dramatically influence desirability and value.

Hornseys’ exhibit regularly at book and map fairs in London and throughout the UK and as long-established specialists in fine books, maps, prints and ephemera, Hornseys maintains full professional membership of the Provincial Booksellers Fairs Association (PBFA). The PBFA is one of the most respected trade bodies in the rare and antiquarian book world, with strict standards of expertise, authenticity and ethical trading. Our verified member listing can be viewed here: Hornseys – PBFA Member Profile.