A new species of bird has been found in the Galapagos, where Darwin worked
Scientists have discovered that a bird common in the Galapagos is actually a separate species, not a subspecies, as was believed for decades. The discovery was made using genetic analysis. This is important because it changes ideas about the evolution of species on Darwin's islands.
We're talking about the so-called lava heron, long thought to be part of another species.
Details
A study has shown that the Galapagos lava heron (Butorides sundevalli) is genetically different from related species on the mainland.
It was previously thought to be a subspecies of the South American heron based on its external similarities. However, DNA analysis has shown that it is closer to another species, the North American green heron.
This means that we are talking about an independent species and not a variation of an already known one.
Scientists note that this bird has long been known and is often found on the islands, but its status has remained unclear due to its varied appearance.
For the study they used specimens collected in the Galapagos, as well as data from museum collections.
The authors emphasise that discoveries like this show: even well-studied animals can hide new species.
Why it's important
The discovery helps to better understand how species form and how evolution works in isolated ecosystems.
Scientists note:
- genetics can change previous ideas about species
- even "ordinary" animals can turn out to be new species
- The Galapagos remains an important region for the study of evolution
It's also important for conservation, as species status affects protection measures.
Background
The Galapagos Islands played a key role in shaping Charles Darwin's theory of evolution. Despite years of research, new discoveries continue to be made here.
Many species on the islands are different from mainland species due to isolation and unique conditions.
Source
The study is based on genetic analyses of the lava heron from the Galapagos Islands using modern and museum specimens. The material is published in Molecular Phylogenetics and Evolution (2026).