Instead of visiting the rookery, we'd stopped at a nearby site where a few dozen nonbreeding sea lions were hauled out. |
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In many taxa, however, including all eusocial vertebrates and many insects, nonbreeding or subordinate group members are potentially capable of reproduction. |
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The male is duller in fresh nonbreeding plumage, with whitish tips on many feathers. |
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Females and nonbreeding males are pale brown or olive green, often with two darker stripes on the back. |
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A general increase in all classes of nonbreeding seals is perhaps the most obvious comparative result of the census. |
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Conservation implications of multiple habitat use by Northern Waterthrushes during the nonbreeding season. |
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In the last 40 years, the nonbreeding ranges of many North American birds have shifted poleward in response to warming winter temperatures. |
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After this however, nonbreeding females on average have a higher fat mass than the breeding females. |
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During the nonbreeding season, the throat and face behind the eye become white, and the white line on the face becomes less prominent. |
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