<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Over an interval of 16 days, two eggs were laid by the same lesser spotted eagle female in her nest in the west-central Slovakia in 2021. The first egg failed to hatch, and the female ate it on the 45th day after she had laid it. Thereafter, the chick hatched from the second egg and later successfully fledged. The case contributes toward explaining why the species lays a second egg, even though the younger hatched chick is almost always prone to siblicide. In this case, the second egg acts as a reserve or an insurance if the first egg should not hatch, enabling the parents to breed successfully.</p>
</abstract>

Over an interval of 16 days, two eggs were laid by the same lesser spotted eagle female in her nest in the west-central Slovakia in 2021. The first egg failed to hatch, and the female ate it on the 45th day after she had laid it. Thereafter, the chick hatched from the second egg and later successfully fledged. The case contributes toward explaining why the species lays a second egg, even though the younger hatched chick is almost always prone to siblicide. In this case, the second egg acts as a reserve or an insurance if the first egg should not hatch, enabling the parents to breed successfully.

The second egg in the lesser spotted eagle (<italic>Clanga pomarina</italic>) clutch as a nesting insurance

Raptor Journal

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The second egg in the lesser spotted eagle () clutch as a nesting insurance

Over an interval of 16 days, two eggs were laid by the same lesser spotted eagle female in her nest in the west-central Slovakia in 2021. The first egg failed...

The second egg in the lesser spotted eagle (Clanga pomarina) clutch as a nesting insurance

Published Online: Mar 21, 2023

Page range: 39 - 42

Received: Sep 24, 2022

Accepted: Oct 10, 2022

DOI: https://doi.org/10.2478/srj-2022-0004

Keywords
belated second egg laying, cainism, Abel rearing

© 2022 Ján Kicko, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The second egg in the lesser spotted eagle (Clanga pomarina) clutch as a nesting insurance

Published Online: Mar 21, 2023

Page range: 39 - 42

Received: Sep 24, 2022

Accepted: Oct 10, 2022

DOI: https://doi.org/10.2478/srj-2022-0004

Keywordsbelated second egg laying, cainism, Abel rearing

© 2022 Ján Kicko, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
belated second egg laying, cainism, Abel rearing