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Arctic Views of Snowy Owls From Barrow, AK

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August 01, 2014

Division of Labour

Ospreys show a distinct division of labour, as we have seen here at the Hellgate nest. The male, Stan has done the majority of the hunting and the female Iris spends over 90% of the day and presumably all night brooding, guarding, sheltering and feeding the nestlings. When off the nest she is likely bathing, chasing intruders (defending the nest) and possibly foraging (rare until the young fledge). It is thought that the slow developing helpless young are a contributing factor to this division of care. For several days after hatching the young birds' internal temperature varies considerably, they therefore must be brooded by an adult until they are able to control their temperature/ thermoregulate. However they also require some protection even after they are able to thermoregulate. We have seen Iris sheltering the nestlings from both the rain and intense sun. Both Iris and Stan are helping raise the young to independence. With Stan hunting and Iris brooding they have the best chance of survival. Iris is starting to leave the nest more often now as the nestlings get older and are closer to fledging. Click ‘More…’ for further information regarding Iris’s activity.  

July 31, 2014

Snowy Owl Cam Closing Today

As the Snowy Owl chicks have moved quite some distance away from the camera now we have decided to close the camera for the season. It has been an amazing few weeks. Thanks to the viewers, explore.org and the Owl Research Institute for making this cam so enjoyable. You can check out more explore cams at their site http://explore.org . Click 'More...' for further information about the great work of the Owl Research Institute. 

July 29, 2014

Hellgate Osprey Nestlings will not be Banded

Montana Osprey Project Leader Erick Greene explains that they do not plan to band the Hellgate Osprey nestlings as part of their study this year. This particular nest is used primarily as an educational nest for the study. Click 'More...' for further detail. 

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