Effect of research activity on the success of American robin nests

Article Abstract:

Researchers investigated whether the handling of eggs and chicks in American robin nests influenced nest success. Researchers measured the success of a total of 109 nests touched in three years against the success of 47 nests which were untouched but observed by mirrors. They concluded that handling eggs and chicks did not negatively affect the nest success of these American robins as the success rate for touched nests was higher than for untouched nests. In 1993, when the researchers touched 56 nests and observed 14 nests, 57.1% of the touched nests fledged at least one robin compared to 21.4% of untouched nests.

Research, Evaluation, Ornithological research, Bird eggs, Bird nests, Robins

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Validity of using artificial nests to assess duck-nest success

Article Abstract:

Many studies of nest success use artificial nests because they are easy to assess. However, it is unknown whether data obtained from artificial nests correlates with natural nests. A new study examines the nest success of upland-nesting ducks in northern Montana. The findings suggest that nesting success of both types of nests were related for nests in planted cover, but was unrelated when data from nests from different types of habitat were introduced.

Montana, Natural history, Bird breeding, Ducks

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Success of delayed translocation of loggerhead turtle nests

Article Abstract:

The influence of delayed translocation of loggerhead sea turtle nests after egg-laying on hatching success is studied. Delayed nest translocation increases the efficiency of the whole program and saves a greater number of nests.

Other Marine Fishing, Miscellaneous marine products, Turtles, Analysis, Environmental aspects, Translocation (Genetics), Translocations (Genetics)

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