Main Ref. | Donald, D.B. and A.H. Kooyman, 1977 | ||
Fiskens utvecklingsstadium | recruits/juv. | Medellängd | 16.50 FL |
Sample size | 7 | Percent empty | 14 |
Land | Canada | Observationsplats | Peace-Athabasca Delta, 1972 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Kommentarer |
---|---|---|---|---|---|---|
1.00 % | zoobenthos | insects | insects | adults | insects | aquatic insects |
87.00 % | zoobenthos | insects | insects | adults | insects | aerial insects |
5.00 % | zoobenthos | insects | insects | larvae | Corixidae | Corixidae |
7.00 % | zoobenthos | insects | insects | larvae | Dytiscidae | Dytiscidae |