Indirect estimates of wing-propulsion forces in horizontally diving Atlantic puffins (Fratercula arctica L.)

By Johansson L C.  

Canadian Journal of Zoology, Vol. 81, Iss. 5, 2003-05 ,pp. : 816-822

NRC Research Press

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Atlantic Puffin (Fratercula arctica) chick diet and reproductive performance at colonies with high and low capelin (Mallotus villosus) abundance

By Jones Ian L   Baillie Shauna M  

Canadian Journal of Zoology, Vol. 81, Iss. 9, 2003-09 ,pp. : 1598-1607

NRC Research Press

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The effects of El Niño on the foraging behavior of lactating California sea lions (Zalophus californianus californianus) during the nonbreeding season

By DeLong R. L.   Siniff D. B.   Melin S. R.  

Canadian Journal of Zoology, Vol. 86, Iss. 3, 2008-03 ,pp. : 192-206

NRC Research Press

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Temporal and spatial differences in the feeding ecology of the Spanish Imperial Eagle Aquila adalberti during the non-breeding season: effects of the rabbit population crash

By Sánchez Roberto   Margalida Antoni   Mariano González Luis   Oria Javier  

Acta Ornithologica, Vol. 44, Iss. 1, 2009-06 ,pp. : 53-58

Museum and Institute of Zoology, Polish Academy of Sciences

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Breeding ecology of Turtle Doves Streptopelia turtur in Britain during the period 1941–2000: an analysis of BTO nest record cards: Capsule No trends over time were detected in any aspect of Turtle Dove breeding ecology and only slight regional variation, based on individual nesting attempts recorded.

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Bird Study, Vol. 52, Iss. 1, 2005-03 ,pp. : 1-9

Taylor & Francis Ltd

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