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Ostrich: Journal of African Ornithology -- Vol. 89 No. 4 (2018): The energetic significance of communal roosting and insulated roost nests in a small arid-zone passerine | 27 USD |
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Ostrich: Journal of African Ornithology -- Vol. 93 No. 3 (2022): A comparison of migrant and resident bird population changes in South Africa using citizen science data: trends in relation to Northern Hemisphere distribution | 27 USD |
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Total: 54 USD | |||
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