Evaluation of the waterways bird survey as a monitor of regional and national populations on waterbirds, and an appraisal of its future role by Marchant, John H.

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Bird population studies :

Subjects: “…Bird populations.…”

Bird census techniques by Bibby, C. J. (Colin J.)

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Population biology of passerine birds :

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Μελέτη του πληθυσμού του Gypaetus barbatus στην Κρήτη με την χρήση PVA : by Ρουβέλας, Ελευθέριος-Δημήτριος

Subjects: “…Bird populations Estimates Greece Crete.…”
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The oystercatcher :

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Marked individuals in the study of bird population

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The historical atlas of breeding birds in Britain and Ireland : by Holloway, Simon

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Atlas of wintering North American birds : by Root, Terry Louise

Subjects: “…Bird populations North America.…”

Farming and birds by O'Connor, Raymond J.

Subjects: “…Bird populations.…”

Evaluation of bird monitoring requirements in national parks by Austin, G. E.

Subjects: “…Bird populations Great Britain.…”

Bird census techniques

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Bird life of mountain and upland by Ratcliffe, Derek A.

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A case study of the impacts of pipeline construction on bird distribution in the Duddon Estuary :

Subjects: “…Bird populations British Isles Duddon Estuary.…”

The effect of organic farming regimes on breeding and winter bird populations

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Αξιολόγηση του κινδύνου εξαφάνισης των αναπαραγωγικών πληθυσμών πελεκάνων στην Ελλάδα και προτάσεις για το καθεστώς διατήρησής τους :... by Γκόργκας, Αλέξιος-Γρηγόριος

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Ανάλυση βιωσιμότητας και διερεύνηση των επιδράσεων της πυκνότητας στους πληθυσμούς αργυροπελεκανών του Αμβρακικού κόλπου και της λίμνης Μικρής Πρέσπας :... by Θερμός, Αλέξανδρος

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Birds, scythes and combines : by Shrubb, Michael

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