. Bonner zoologische Monographien. Zoology. * 93. LARIDAE — GULLS, TERNS 256 Herring Gull (339) Larus argen tat us heuglini PM (9-4) W rare; vagrant inland littoral habitats, large rivers and lakes Remarks: The subspecies "taimyrensis' could occur as well 257 Grey-headed Gull (342) no map Lxirus cirrocephalus AM (6-8) NBR probably uncommon large rivers and lakes Remarks: Only recorded from Khartoum (June) and Jebel Aulia dam (July/August) 15/32. Probably overlooked (Nikolaus 1984 a) 258 Lesser Black-backed Gull (340) Larus fuscus fuscus PM (9-5) A W S SU common on passage, uncommon in win
. Bonner zoologische Monographien. Zoology. * 93. LARIDAE — GULLS, TERNS 256 Herring Gull (339) Larus argen tat us heuglini PM (9-4) W rare; vagrant inland littoral habitats, large rivers and lakes Remarks: The subspecies "taimyrensis' could occur as well 257 Grey-headed Gull (342) no map Lxirus cirrocephalus AM (6-8) NBR probably uncommon large rivers and lakes Remarks: Only recorded from Khartoum (June) and Jebel Aulia dam (July/August) 15/32. Probably overlooked (Nikolaus 1984 a) 258 Lesser Black-backed Gull (340) Larus fuscus fuscus PM (9-5) A W S SU common on passage, uncommon in winter larger rivers, lakes and coast Remarks: Distinct autumn passage at Sua- kin (September) and at Khartoum till Octo- ber and in April, May; a few oversummer 259 Slender-billed Gull (341) Larus genei PM (9-4) W uncommon on Red Sea; exceptionally in- land littoral habitat Remarks: Only one inland record from Khartoum in spring 1980 (A. Pettet). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectzoology
