When elm trees return, the large tortoiseshell butterfly will return.
The small tortoiseshell butterfly is able to differentiate between various flowers through visual signals.
A tortoiseshell butterfly rests on the blind girl's shawl, implying that she is holding herself extremely still.
While they do nt have eyespots like many other butterflies, these bright contrasting colors can often scare a predator, giving the tortoiseshell butterfly ample time to escape.
But we must face the fact that we shall have a tremendous outcry this summer because there will be no large tortoiseshell butterflies.
In addition to this, when discovered, tortoiseshell butterflies will flick their wings open to reveal bright colours.
Tortoiseshell butterflies tend to be unpalatable to birds.
