Hand-list of the birds of Borneo
J.C. Moulton, Curator of the Sarawak Museum, published this comprehensive checklist of 555 bird species known from Borneo in 1914, bringing the island’s avifaunal record up to date against the backdrop of a century of colonial-era collecting. The work is framed as a “bare list” deliberately stripped of general commentary, but its introductory pages constitute a valuable historiographical account of how Bornean ornithology evolved from scattered European museum specimens to a systematic regional inventory.
Summary
Moulton’s central contribution is twofold: a definitive species list with first-collector and first-recorder attributions for each entry, and a methodological reflection on how regional checklists grow and contract over time. He identifies three stages in the evolution of a local list—initial contamination by mislabelled specimens from other islands, a “glut of descriptions” based on single specimens or one sex, and a final stage of reduction enabled by subspecific nomenclature and the confident exclusion of old erroneous records. This framework is applied throughout the list, where Moulton explicitly rejects several species previously included in Everett’s 1889 list (such as Platalea intermedia, which Van Oort showed was actually from Buru) and unites others (such as Baza jerdoni and B. borneensis, which he treats as a single variable species on the strength of Sarawak Museum specimens).
The list itself follows the British Museum Hand-list order and nomenclature, modified by the introduction of subspecific names. Moulton adopts a distinctive typographic convention—writing the specific name in capitals with the author’s name retained, and the subspecific name in smaller type below—to emphasise the primacy of the specific name while acknowledging the local form. Each of the 555 entries records the name of the first collector (or employer of native collectors) and the earliest date of capture, followed by the first published recorder and date, with cross-references to a 231-item bibliography. The earliest literary reference to a Bornean bird is traced to a T’ang dynasty source (618–906) describing the Asian Koel, while the first post-Linnean records date from the 1820s Dutch Natural History Commission expeditions.
The work is firmly situated within the colonial museum infrastructure of Sarawak. Moulton draws on the Sarawak Museum’s own collections (which added 12 species to the list) and on correspondence with European curators, particularly Dr. Van Oort at Leyden, to verify or correct records. The bibliography, compiled for three stated purposes—first records, latest nomenclature, and papers strictly devoted to Bornean birds—serves as a research tool for future revision.
Key Findings
- The list records 555 species accepted for Borneo, compared with 570 in Everett’s 1889 list (which included 34 species from Palawan, now excluded) and 392 in Salvadori’s 1874 catalogue (p. 126).
- Dr. R. B. Sharpe is responsible for the description of 145 species added to the Bornean list; Salvadori, Sclater, and Schlegel each account for approximately 50; Bonaparte, Muller, Motley, and Dillwyn for over 30 each (p. 130).
- Among collectors, S. Muller contributed nearly 70 species, Diard and Schwaner over 50 each from Dutch Borneo, Whitehead 59 from Northern Borneo, and Motley 58 from Labuan and Banjermasin (p. 130).
- The rate of accumulation is illustrated by decade: by 1850 approximately 50 non-Passerines and 60 Passerines were known; by 1890 these had risen to roughly 290 and 240 respectively; since 1901 only six non-Passerines and nine Passerines were added (p. 130).
- The earliest post-Linnean Bornean bird records derive from Diard (1826) and S. Muller (1836), both working under the Batavian Natural History Commission; Northern Borneo remained a terra incognita until Sir James Brooke’s arrival in 1839 (p. 129).
- Moulton records 12 species added by the Sarawak Museum itself, including Pitta megarhyncha (1914), Haliaeetus leucoryphus (1914), and Motacilla lugens (1914), demonstrating the museum’s ongoing role in extending the list (pp. 130, 144, 157, 174).
Conclusion
Moulton’s definitive takeaway is that the Bornean bird list has entered its third and final stage—reduction rather than expansion—and that the use of subspecific names, grounded in evolutionary reasoning, is the principal tool for achieving a stable and natural inventory. He explicitly disclaims finality, noting that local lists can only serve as “material for assistance” toward a future revised edition of the British Museum Hand-list, and that any particular adoption or rejection of a name “merely implies the opinion of one individual against that of another” (p. 127).
Context
- Moulton wrote as Curator of the Sarawak Museum, a colonial scientific institution under the Brooke Rajahs, and the list draws heavily on that museum’s collections and on his own field reports published in the Sarawak Museum Journal and the JSBRAS (pp. 125, 111, 107, 108, 109).
- The work is a product of the late-colonial museum network linking Sarawak, the British Museum, and the Leyden Museum; Moulton’s corrections and verifications depend on correspondence with European curators (notably Van Oort at Leyden) and on access to type specimens in London and Leiden (pp. 134, 144, 156, 162, 172).