Yes, Arctic terns do lay eggs. These remarkable birds, renowned for their extensive annual migrations, lay their eggs in specific nesting environments that help protect their offspring.
Egg Laying Habits of Arctic Terns
Arctic terns exhibit distinctive characteristics concerning their egg-laying and nesting behaviors:
- Egg Quantity: Typically, an Arctic tern clutch consists of two eggs. However, it is not uncommon for a nest to contain just one egg, and on rarer occasions, three eggs may be laid.
- Nest Locations: Arctic terns choose relatively simple, yet effective, sites for their nests. These locations are often selected for their natural camouflage and availability, including:
- Bare rock surfaces
- Areas with sparse vegetation
- Sandy beaches
- Nest Structure: The nest itself is often a slight depression in the ground. To further aid in camouflage and stability, the terns may incorporate a few small pebbles into the nest.
- Egg Appearance: A key adaptation for survival is the appearance of the eggs. They are remarkably similar to pebbles, blending seamlessly with the surrounding environment. The eggs commonly feature a background color of light blue, green, or gray, which enhances their ability to remain inconspicuous and protected from predators.