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Book Series
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Book
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Chapter
Migrations and Movements of Desert Birds
The mobility of birds is a key to their survival in desert environments (Evenari 1985; Brown 1986; Wiens 1991). Indeed, mobility is the key for survival of many organisms in arid ecosystems, including humans (...
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Chapter
Habitats and Densities of Nomadic Birds
Some nomadic bird species are confined to particular arid zones, whereas other species are not restricted to arid ecosystems but occur widely in other grassland and shrubland ecosystems. This raises the questi...
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Chapter
Introduction
There are two basic strategies for co** with life in the desert: (1) to be resident and sedentary and by behavioural or physiological tactics able to withstand extremes of heat and cold, lack of water and fl...
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Chapter
The Conservation of Nomadic Desert Birds
Nomadic birds appear to be generally abundant wherever they occur. But are they? While it is true that none of the nomadic bird species in the world are classified as “threatened” or “endangered” in any of the...
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Chapter
Reproduction and Moult
There are many constraints on reproduction for birds that are not resident or that migrate between fixed areas. Nomadic birds, often dependent on fairly short-lived resources, need to be adapted to being able ...
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Chapter
The Nomadic Avifauna
Hyper-arid, arid and semi-arid ecosystems are characterised by low and unpredictable annual rainfall (Noy-Meir 1973), and by marked variability of all communities in time and space (Polis 1991). Resource peaks...
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Chapter
Food and Foraging
Nomadic birds track resources that are, in the general sense, nomadic in time and space. Ephemeral plants in desert ecosystems that emerge, grow fast and produce large quantities of seeds after irregular rainf...