Mauer, K. 1980. Brandgans X Roodhalgans en Kolgans x Brandgans in 1979/80. 

 [Barnacle X Red-breasted Goose and White-fronted x Barnacle Goose in 

 1979/80.] Dutch Birding 2: 53-54. [In Dutch with English summary.] 



1979 



Dittami, J., S. Kennedy and C. Thomforde. 1979. Observations on Barnacle 



Goose Branta leucopsis breeding in Spitsbergen 1975. J. Ornithol. 120: 

 188-195. 



Lessells, C. M. , R. M. Silby, M. Owen and S. Ellers. 1979. Weights of female 

 Barnacle Geese during breeding. Wildfowl 30: 72-74. 



Lok, C. M. 1979. De relatie tussen de aard van de winter en het fourageren 



van de Brandgans Branta leucopsis in het Zuiderdiepgebied. [The relation 

 between winter condition and forage with Barnacle Geese Branta leucopsis 

 in the Zuiderdiep area.] Watervogels 4: 212-221. [In Dutch with English 

 summary. ] 



Owen, M. and M. A. Ogilvie. 1979. Wing molt and weights of Barnacle Geese in 

 Spitsbergen. Condor 81: 42-52. 



Owen, M. and R. Wells. 1979. Territorial behaviour in breeding geese — a re- 

 examination of Ryder's hypothesis. Wildfowl 30: 20-26. 



1978 



Lok, C. M. 1978. De Westplaat als fouregeergebied voor de Brandgans ( Branta 

 leucopsis ) . [The Westplaat as a feeding ground for the Barnacle Goose 

 ( Branta leucopsis ).] Watervogels 3: 192-198. [In Dutch with English sum- 

 mary. ] 



Norderhaug, M. and M. Owen. 1978. Breeding success of Barnacle Geese ( Branta 

 leucopsis ) in Svalbard in 1977. Nor. Polarinst. Arbok 1977: 259-264. 



Owen, M. , R. H. Drent , M. A. Ogilvie and T. M. van Spanje. 1978. Numbers, dis- 

 tribution and catching of Barnacle Geese ( Branta leucopsis ) on the Norden- 

 skioldkysten, Svalbard, in 1977. Nor. Polarinst. Arbok 1977: 247-248. 



1977 



Dittami, J., C. Thomforde and S. Kennedy. 1977. Preliminary observations on 

 the nesting of Barnacle Geese in Spitsbergen. Wildfowl 28: 94-100. 



Drent, R. and R. Swierstra. 1977. Goose flocks and food finding: field exper- 

 iments with Barnacle Geese in winter. Wildfowl 28: 15-20. 



Ebbinge, B. and D. Ebbinge-Dallraei jer . 1977. Barnacle Geese ( Branta leucopsis ) 

 in the Arctic summer — a reconnaissance trip to Svalbard. Nor. Polarinst. 

 Arbok 1975: 119-138. 



115 



