Birds often strike windows because they see a reflection of clouds, sky or trees, which gives the mistaken impression that they are flying into open air. Window collisions are usually worse in spring and autumn during migration time, with birds flying through less familiar territory. Having said that, window strikes can happen at any time of the year. Juvenile or unexperienced birds are also prone to accidents of this kind. However, the good news is that window strikes are almost always preventable. Here is a collection of preventive measures, which are worth considering when dealing with a window strike problem.
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Jackdaws are probably the most common corvid species rescued and cared for in captivity, which is mainly due to the fact that they have adapted very well to an urban lifestyle and that they are often nesting in very close proximity to us humans. Jackdaw babies are also often perceived as being irresistibly cute in the eyes of many humans, which seems to persuade even completely unexperienced people to raise a jackdaw nestling or fledgling by themselves. Therefore it is not surprising that jackdaws are the most frequently imprinted corvid species. Before going into more detail about what imprinting means and what the consequences of imprinting are, it might be useful to look into some aspects of the natural behaviour and some of the normal social interactions of jackdaws.
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“Smooth like velvet” sprang into my mind when thinking of a name for our latest patient – a rook baby. It was May 2014. The lady who had kindly picked up Velvet underneath a rookery, situated in a massive cedar tree, cared for him at her home until she got overwhelmed by the task. When we were asked to take over, we noticed a nasty compound fracture of his left leg – the bone had pierced through the tender skin. It was a surprise Velvet had survived such a deep fall anyway, landing next to one of the busiest roads on the island. But the fractured leg needed to be treated, although we knew it would be too late to even hope for full function of the limb.
Continue reading “Rook Velvet – An Obituary”
Encouraged by the high volume of incoming queries, messages and emails, it seemed to be a good idea and not too late for another blog post to address first aid and emergency care measures, which are likely to be relevant for all native rescue bird species including corvid nestlings and fledglings.
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Laniakea came to us as an adult rook in Spring 2017. We did not know for sure how old she was when she arrived. However, it was very obvious to us that Laniakea was already an experienced and mature rook. When we rescued her, it became immediatly apparent that she would never be releasable. This thought was deeply troubling, in particular as it was very likely that Laniakea had a partner, who was waiting for her. Her arrival came with a big shock too, as she had suffered horrendous injuries to her leg, most likely caused by a spring trap. Laniakea had to undergo surgery, but recovered very well from her leg amputation.
Continue reading “Rook Laniakea – An Obituary”