![Heliconius butterflies](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/11/111117_species_feat.jpg?fit=860%2C460&ssl=1)
SPECIES SCHMECIES This swarm of diversely patterned Heliconius butterflies is actually just two species known for mimicry. How to define a species turns out to have more pitfalls than these butterflies have spots.
Nicolle Rager Fuller
SPECIES SCHMECIES This swarm of diversely patterned Heliconius butterflies is actually just two species known for mimicry. How to define a species turns out to have more pitfalls than these butterflies have spots.
Nicolle Rager Fuller