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

<p>The ecological study (phenology and daytime budget) of ruddy shelduck <italic>Tadorna ferruginea</italic> (Anatidae) at Lake Oglat Eddaira (Ain Ben Khlil), Southwest of Algeria, was carried out for three consecutive years from August 2017 to July 2020. While ruddy shelduck has the status of a sedentary species, it was found all year round, persisting at low numbers in mid-summer months (July–August). The numbers of ruddy shelduck began to increase from the first decade of September with the arrival of the wintering and breeding populations. High numbers of ruddy shelduck were mainly recorded between late January and early March. During our monitoring, the balance sheet of the rhythms of daytime activities was dominated by feeding in water and on banks (68%), followed by preening (16.77%), swimming (9.85%,), sleeping (4.67%) and flying (1.22%). Therefore, we can conclude that Oglat Eddaira wetland plays the role of a diurnal grazing ground for this Anatidae.</p>
</abstract>

The ecological study (phenology and daytime budget) of ruddy shelduck Tadorna ferruginea (Anatidae) at Lake Oglat Eddaira (Ain Ben Khlil), Southwest of Algeria, was carried out for three consecutive years from August 2017 to July 2020. While ruddy shelduck has the status of a sedentary species, it was found all year round, persisting at low numbers in mid-summer months (July–August). The numbers of ruddy shelduck began to increase from the first decade of September with the arrival of the wintering and breeding populations. High numbers of ruddy shelduck were mainly recorded between late January and early March. During our monitoring, the balance sheet of the rhythms of daytime activities was dominated by feeding in water and on banks (68%), followed by preening (16.77%), swimming (9.85%,), sleeping (4.67%) and flying (1.22%). Therefore, we can conclude that Oglat Eddaira wetland plays the role of a diurnal grazing ground for this Anatidae.

Phenology and Diurnal Behaviour of Ruddy Shelduck <italic>Tadorna ferruginea</italic> at Oglat Eddaira (Ain Ben Khlil) Wetland, Southwest of Algeria

Laboratoire de Gestion Durable des Bio-Ressources dans les Zones Arides et Semi Arides

Centre Universitaire Salhi Ahmed de Naâma

Département de Biologie, Faculté des Sciences

Laboratoire Biologie, Eau et Environnement (LBEE), Faculté SNV-STU

Ekológia (Bratislava)

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

Phenology and Diurnal Behaviour of Ruddy Shelduck  at Oglat Eddaira (Ain Ben Khlil) Wetland, Southwest of Algeria

The ecological study (phenology and daytime budget) of ruddy shelduck Tadorna ferruginea (Anatidae) at Lake Oglat Eddaira (Ain Ben Khlil), Southwest of...

Phenology and Diurnal Behaviour of Ruddy Shelduck Tadorna ferruginea at Oglat Eddaira (Ain Ben Khlil) Wetland, Southwest of Algeria

Publicado en línea: 22 abr 2022

Páginas: 70 - 77

Recibido: 17 nov 2020

Aceptado: 05 mar 2021

DOI: https://doi.org/10.2478/eko-2022-0008

Palabras clave
phenology, daytime budget, Oglat Eddaira

© 2022 Abdelkrim Benaradj et al., published by Sciendo

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

Phenology and Diurnal Behaviour of Ruddy Shelduck Tadorna ferruginea at Oglat Eddaira (Ain Ben Khlil) Wetland, Southwest of Algeria

Publicado en línea: 22 abr 2022

Páginas: 70 - 77

Recibido: 17 nov 2020

Aceptado: 05 mar 2021

DOI: https://doi.org/10.2478/eko-2022-0008

Palabras clavephenology, daytime budget, Oglat Eddaira

© 2022 Abdelkrim Benaradj et al., published by Sciendo

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

Palabras clave
phenology, daytime budget, Oglat Eddaira