Bunny Day has arrived animal Crossing: New Horizons, and there are a multitude of new recipes to allow you to get your hands on. There are also eggs hidden throughout the island so that you can find them. The earth egg is one of the new resources added to the game, and you will want to get as much as you can.
When you finally have enough eggs on the earth, you will have access to special recipes for the earth's egg set, exclusive objects that you can only create during the Bunny Day event. You will also need Earth eggs to make the other Bunny Day recipes that you can find in the game now.
You can find these recipes by talking to the villagers, finding special Bunndy Day message bottles on the beach, speaking to zip T. Bunny, slaughtering the special Bunny Day balloons and picking up enough types of each eggs Special.
You can find earth eggs buried all over your island. They will have the same marker on the ground as the fossils, so make sure to digest everyone you see to get as many earth eggs as possible.
There will be a limit to the number of eggs on the earth that will appear on your island every day, but if you wish, you can spend some Nook Miles to obtain a ticket for a mysterious island and you may have the chance to 'Find others.