Assessment of Existing Palearcatic Migrant Birds in Jabel El Dayer National Park, North Kordofan....

From 2014 to 2018, this research was carried out in the Jebel El Dayer National Park in the Sudanese state of North Kordofan. Both directions on the top of the Jebel were surveyed in order to classify Palearctic migrant birds for this study. The study relied on direct observation with field binoculars, a digital camera, and a global positioning system (GPS) unit for organising and identifying bird species using manuals. Seven trips were made to cover the major areas, with seven of them including the Jebel's main entrances and two areas on top of the mountain. Frequencies, means, and percentages were measured in Statistical Packages for Social Sciences (SPSS) to interpret the data descriptively.Tables and figures were used to present the findings. The findings of the study revealed that Palearctic migrant birds are diverse. During this study, a total of 119 Palearctic migrant bird species were identified. These species were divided into 14 orders and 37 families. Palearctic migration bird species identified in all directions of the study region were displayed. In all directions of the mountain, seven species were found. They divided the index according to Nicklaus in terms of the abundance of Palearctic bird species (1987).There were five divisions: uncommon (Un) with 43 species accounting for 33.3 percent, unusual (R) with 49 species accounting for 38 percent, common (C) with 19 species accounting for 14.7 percent, very rare (VR) with 14 species accounting for 10.9 percent, and very common (VC) with four species accounting for 3.1 percent. However, the highest percentage was 48.4 percent in 2014, followed by 40.5 percent in 2018, and the lowest percentage was 11.1 percent in 2015. It also suggests devising a work plan aimed at achieving long-term sustainability and resource efficiency.

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