Baltimore Orioles visit me every spring but they leave. Why don they stay all summer?
Baltimore Orioles do remain in our area all summer, but once they nest, they are much less apparent. New Jersey is in the heart of their breeding territory. In the spring they are so driven by the need to continue their lineage that this need supercedes even the need for self-preservation. They become very conspicuous and will sit and sing out in the open to attract a mate, even though this behavior puts them at risk of attack by predators (cats, owls, hawks, etc.) Once mating and nest-building are complete, however, things change drastically. The birds’ primary concern becomes preservation, not only of themselves but of their nestlings. They are much less conspicuous, and they don’t sing — they blend in with their surroundings to better survive.
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