During the 1969 breeding season (April-July) 422 hr of time-budget data were collected on 36 American avocets (Recurvirostra americana) in an alkaline marsh at Summer Lake, Oregon. Time-budget data ...
In the kingdom of birds there is an entire group known as waders. This group is comprised of several family of birds that neither swim nor dive for food, but rather wade along the shores of lakes, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results