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Category: Surveys

Categories: Surveys Posted on May 31, 2015August 21, 2019

Breeding Season 2014, how was it for you?

On a cold wet winter´s day, what better than to look back to those warm balmy days of summer. It was still dark when I set out on an early June morning to open the nets; Casares was just a silhouette against the brightening eastern … Continue readingBreeding Season 2014, how was it for you?

by José Barrera Leave a comment
Categories: Surveys Posted on July 20, 2014August 21, 2019

Calculating Minimum Survival Rate from Retrap Data

A question often asked of ornithologists is “How long do birds live?” There is no simple answer to the question as survival varies from species to species. An examination of the latest British Trust for Ornithology’s ringing report (Coiffait et al 2008) in which longevity … Continue readingCalculating Minimum Survival Rate from Retrap Data

by José Barrera Leave a comment
Categories: Surveys Posted on March 24, 2009August 21, 2019

The Spring Alive Project

Help discovering the spring The Spring Alive project is a simple birdwatching survey. Thanks to children and adults all around Europe we are able to track the spring arrival every year. Participation is very simple and can be a great fun. All you need to … Continue readingThe Spring Alive Project

by José Barrera Leave a comment

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