 | RETURN OF THE OSPREY a season of flight and wonder | GESSNER,D. | € 5.00 |
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| RETURN OF THE OSPREY a season of flight and wonder | GESSNER,D | € 7.50 |
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| RETURN OF THE WHOOPING CRANE | DOUGHTY,ROBIN W. | € 10.00 |
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| REVISION AND ENTSTEHUNG DER ARKTISCHE VOGEL FAUNA | JOHANSEN,H. | € 95.00 |
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| REVISION AND PROBABLE EVOLUTION OF THE MYIARCHUS FLYCATCHERS OF THE WEST INDIES | LANYON,WESLEY E. | € 15.00 |
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| RFELATIONSHIPS OF THE SUPERORDERS ALECTOROMORPHAE AND CHARADRIOMORPHAE.. | STEGAN,BORIS C. | € 18.00 |
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| RHAPSODIE IN BLUE a celebration of American waterbirds | EVANS,MIDDLETON | € 15.00 |
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| RICHARD BARRATT TALBOT KELLY 1896-1971 | KELLY,R.B.TALBOT | € 15.00 |
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| RICHTLIJNEN VOOR HET BEHEER VAN ROTGANZEN IN HET NEDERLANDSE WADDENGEBIED RIN-rapport nr. 84/4 | EBBINGE,B.S. EN T. BOUDEWIJN | € 5.00 |
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| RIDING ON THE CREST OF THE WAVE and other opublications | EERDEN,M.R. van a.o. | € 20.00 |
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| RING OUZELS OF THE YORKSHIRE DALES | APPLEYARD,IAN | € 10.00 |
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| RINGELGANSE, ARKTISCHE GASTE AN UNSERE KUSTEN | BERGMANN,HANS HEINER a.o. | € 10.00 |
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| RINGELGANSEArktische Gäste an unseren Küsten | BERGMANN,HANS-HEINER a.o. | € 10.00 |
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| RINGVERSLAG 1975/1976/1977/1979/1980/1981/1983/1984/1985/1987/1989 A167 | WASSENAAR,RINSE a.o. | € 20.00 |
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| RINGVERSLAG VAN HET VOGELTREKSTATION.NR 44 (1957-1959) | PERECK,A.C. a.o. | € 10.00 |
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| RINKE TOLMAN:de wandelaar in weer en wind | HISTORISCHE VERENIGING SOEST | € 5.00 |
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| RIVER BIRDS bird life from mountain stream to estuary | LOVEGROVE,ROGER a.o. | € 10.00 |
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| ROADSIDE BIRDS OF SOUTH AFRICA | NEWMAN,KENNETH | € 10.00 |
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| ROBERT`S BIRDS OF SOUTHERN AFRICA | LINDSAY MACLEAN,GORDON | € 20.00 |
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| RODE LIJST VAN BED REIGDE EN KWETSBARE VOGELSOORTEN IN NEDERLAND | OISIECK,EDUARD R. a.o. | € 10.00 |
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