“The reintroduction of endangered species comes from the heart, a good place, but we have a lot to learn about the species we are reintroducing and the habitat where we want to reintroduce them before we do so…”
Butterflies released in Finland contained parasitic wasps – with more wasps inside
Not to mention a bacterium along for the ride…
See also
These Butterflies Full of Wasps Full of Microwasps Are a Science Nightmare