Synchrony in the Lesser Snow Goose (Anser caerulescens caerulescens). II the Adaptive Value of Reproductive Synchrony

Evolution ◽  
1982 ◽  
Vol 36 (4) ◽  
pp. 786 ◽  
Author(s):  
C. Scott Findlay ◽  
Fred Cooke
Keyword(s):  
Snow Goose ◽  
Reproductive Synchrony ◽  
Adaptive Value ◽  
Anser Caerulescens Caerulescens ◽  
Lesser Snow Goose ◽  
Anser Caerulescens

Correlation of laying and hatching sequences in clutches of the lesser snow goose (Anser caerulescens caerulescens)

1981 ◽  
Vol 59 (7) ◽  
pp. 1201-1204 ◽  
Author(s):  
Susan M. Cargill ◽  
Fred Cooke
Keyword(s):  
Snow Goose ◽  
Stage Of Development ◽  
Asynchronous Hatching ◽  
Anser Caerulescens Caerulescens ◽  
Laying Sequence ◽  
Lesser Snow Goose ◽  
Anser Caerulescens

Lesser snow goose nests were monitored daily during laying and hatching. Within each clutch, eggs were numbered serially as they were laid. Subsequently, the order of hatching within clutches was determined. In nests where three to five eggs hatched, the sequence of hatching was strongly dependent on the laying sequence. This implies that some development of embryos occurred throughout the laying period, so that the young varied in the stage of development attained prior to the onset of incubation. This inequality persisted until hatching, resulting in the observed asynchrony. Evidence from other workers suggests that development during laying occurs in some other waterfowl species, but does not necessarily result in asynchronous hatching or correlation of hatching and laying sequences.

Isoenzyme status and genetic variability of serum esterases in the lesser snow goose, Anser caerulescens caerulescens

1977 ◽  
Vol 15 (7-8) ◽  
pp. 741-763 ◽  
Author(s):  
Thaddeus A. Bargiello ◽  
Joseph Grossfield ◽  
R. W. Steele ◽  
Fred Cooke
Keyword(s):  
Genetic Variability ◽  
Snow Goose ◽  
Anser Caerulescens Caerulescens ◽  
Lesser Snow Goose ◽  
Anser Caerulescens

Life history studies of the Lesser Snow Goose (Anser caerulescens caerulescens)

Oecologia ◽  
1983 ◽  
Vol 56 (2-3) ◽  
pp. 318-322 ◽  
Author(s):  
Robert F. Rockwell ◽  
C. Scott Findlay ◽  
Fred Cooke
Keyword(s):  
Life History ◽  
Snow Goose ◽  
Anser Caerulescens Caerulescens ◽  
Lesser Snow Goose ◽  
Anser Caerulescens
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