ABSTRACT Rare seabirds are often extremely hard to identify, and a significant part of the problem is that, when observed from land, circumstances are typically very difficult. In many cases, one or more of the following drawbacks applies: the weather conditions are poor, views are distant and brief, and photographic evidence is impossible. For these same reasons, records of rare seabirds are also
...This article is only available to registered users.
To read more, please log in or purchase a subscription.