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Recent studies confirm a global decline in insect populations, with butterflies among the most affected. This trend explains why the skies over many childhood gardens have grown quieter in recent decades.
The Queen Alexandra’s birdwing (Ornithoptera alexandrae) – the female of the species – holds the record for the largest butterfly, boasting a wingspan of roughly 10.6 inches (27 cm). Discovered in 1906 by British explorer Albert Stewart Meek and named in honor of Queen Alexandra, the wife of King Edward VII, the species is endemic to Papua New Guinea.
Its striking male shows iridescent blue, green, and yellow hues, while the female displays a contrasting brown, white, and yellow pattern. Despite its beauty, the birdwing exists only in two isolated regions: the Popondetta Plain in Oro Province and the rainforest of the Managalas Plateau.
Today, this iconic butterfly is imperiled by two human‑driven forces: extensive habitat loss and a lucrative black‑market trade that feeds on its rarity.
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Butterflies belong to the order Lepidoptera, which encompasses about 160,000 species worldwide. Five species have already gone extinct since 1950, and experts predict many more will follow. The Queen Alexandra’s birdwing is no exception. Listed as Endangered by the U.S. Fish and Wildlife Service and the IUCN Red List since 2018, it has been pushed into a shrinking niche.
Historically widespread across Oro Province’s rainforests, the birdwing now occupies a fragmented habitat of just 8,710 km² (3,363 sq mi) overall, with a core area of 128–140 km² (50–54 sq mi) as noted in the 2018 IUCN assessment. The loss stems from oil palm plantations, coffee and cocoa farms, and logging, compounded by the 1951 Mount Lamington volcanic eruption that decimated large swaths of its range.
These activities have obliterated the vine host plants essential for the butterfly’s reproduction, leaving the species “very rare” and “very restricted” in its current distribution.
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Beyond habitat loss, the birdwing’s extreme rarity fuels a clandestine trade. The species is listed under CITES Appendix I, making collection and international trade illegal since 1968. Yet the black market persists, with notable cases highlighting its profitability.
In 2001, Canadian entomologist Gilles Deslisle was fined CAD $50,000 for smuggling six birdwings hidden inside a hollowed‑out hardback book. The following year, U.S. authorities arrested Hisayoshi Kojima, the world’s most prolific butterfly smuggler, who reportedly earned hundreds of thousands of dollars by selling specimens at $8,500–$10,000 each.
At the time of Kojima’s arrest, the illegal trade of endangered species was estimated to generate between $10 billion and $15 billion annually, while the global illegal butterfly market alone was valued at roughly $200 million per year, according to Jessica Speart’s 2011 book “Winged Obsession.” The Queen Alexandra’s birdwing, being the most coveted specimen, is a key driver of this lucrative illicit industry.
