This is a preview. Log in through your library . Abstract In numerous avian species, egg size is correlated to female body condition, hatchling size and nestling growth. Recent demography studies of ...

A double-crested cormorant (Phalacrocorax auritus), photographed in Westchester County, NY. Wild Animals Should Be Paid for the Benefits They Provide Humanity Healthy ecosystems in developing ...

A double-crested cormorant (Phalacrocorax auritus) (?), photographed in Westchester County, NY. When seawater gets cold, it gets viscous. This fact could explain how single-celled ocean creatures ...

We studied the historical biodiversity of cormorants and shags in the central Aleutians by examining the presence and abundance of bones deposited in two large Aleut middens located on Amchitka Island ...

19.75 x 26.25 in. (50.2 x 66.7 cm.) ...

THE much-discussed problem of whether marine birds drink sea-water has recently led to the unexpected discovery that the kidney is not always the major organ of salt excretion. It was found that in ...

Avian flu spreads rapidly among domesticated birds with weaker immunity and can mutate to become especially deadly. If these strains return from livestock to the wild, birds such as this year's bird ...