Female Eastern swallowtails tend to have more blue on the hindwings ... Grow these butterfly host plants to attract pollinators. Eastern swallowtail caterpillars are green with large yellow ...

Swooping over meadows and pausing on blooms, swallowtails draw attention with their large size and striking colors. They get their name from the extended tails on their hindwings, a feature that ...

Swallowtail caterpillars are green once they grow large Kerry Calloway, who helps manage the tropical butterfly house, says, 'When they are resting on top of a green leaf, they look just like bird ...

Here, RSPB volunteer Jenna explains why the magnificent Swallowtail butterfly is so special ... by the availability of milk parsley, its caterpillar food source. When the Norfolk Broads were ...

In a new study, scientists pulled from a 35-year dataset to examine long-term population trends of the federally endangered Schaus’ swallowtail butterfly (Heraclides ponceana ... which are the ...

In a new study, scientists pulled from a 35-year dataset to examine long-term population trends of the federally endangered Schaus’ swallowtail butterfly (Heraclides ponceana). They found that ...

In a new study, scientists have pulled from a 35-year dataset to examine long-term population trends of the federally endangered Schaus's swallowtail butterfly (Heraclides ponceana). They found ...