Common Kestrels Had About Twice the Tracheal Mucous-Gland Density of White Storks
A comparative study of three adult males from each of three bird species found 11.32 tracheal mucous glands…
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Research, conservation and new discoveries
A continuing selection of new studies, conservation projects and important developments connected to species in the archive.
Laughing Dove Eye Pecten Mapped From 12–13 Pleats to Cell Markers
Researchers mapped the pecten oculi, a vascular structure unique to bird eyes, in the laughing dove. Its 12–13…
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Progressive Greying Recorded in a Laughing Dove in Asia for the First Time
An adult laughing dove photographed in Karnataka, India, had localised white feathers on the head and shoulder region.…
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91% of Wild Muskoxen Examined Had Enamel Cracks in the Canadian Arctic
Researchers examining 243 lower jaws from wild muskoxen in the Canadian Arctic found enamel cracks in 91.4% of…
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Female Common Mynas Were Heavier, but Males Had Longer Wings and Tails
Measurements from 540 adult common mynas in Pakistan’s Battagram Valley found heavier females but longer male bodies, wingspans,…
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Study Maps the Eye Glands of Natal Red Duikers and Kirk’s Dik-Diks
A 2026 study of five Natal red duikers and four Kirk’s dik-diks describes the anatomy, microscopic structure and…
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Melanized Barbules Helped Plum-headed Parakeet Feathers Appear Green
A 2026 feather study found that plum-headed parakeet green depends on both light-scattering nanostructures in the feather barbs…
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Six European Woodpeckers Shared a Common Eyelid Plan but Showed Microscopic Variation
Microscopic study of 40 woodpeckers from six European species found the same basic eyelid plan, including a fibrous…
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Helmeted Guineafowl Had Denser Support Tissue Along the Wing’s Leading Edge Than Domestic Chickens
A comparison of 15 helmeted guineafowl and 14 domestic chickens found denser connective tissue in the membrane along…
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Microscopic Hooklet Numbers Varied Across a Common Wood-Pigeon Flight Feather
Scanning electron microscopy of one ninth primary feather from an adult common wood-pigeon mapped hooklet numbers across 68…
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Ashy-grey Little Egret Photographed Twice at Anasagar Lake
A little egret with nearly uniform ashy-grey plumage was photographed at Anasagar Lake in Rajasthan in December 2025…
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CT-based Model Reproduced Muskox Skull Vibrations During Experimental Validation
A 2026 biomechanics study built a CT-based finite-element model of a muskox skull and tested it against laser-vibrometry…
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Common Kestrel Retina Had Two Deep, Cone-Dominated Foveal Pits
Histology from two adult Common Kestrels found a 218-µm central fovea and a 106-µm temporal fovea; both pits…
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Laughing Dove Preen Secretions Showed Strong Antimicrobial Activity
A 2026 comparative study found that laughing doves had the thinnest epidermis of three bird species and that…
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Young Shikras Can Be Separated From Levant Sparrowhawks by Iris, Undertail and Wing Structure
An analysis of images of 75 first-calendar-year shikras and 93 levant sparrowhawks found useful differences in iris colour,…
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Red-wattled Lapwings Had a Thicker, More Gland-dense Esophageal Lining Than Pin-tailed Sandgrouse
In a small Iraqi comparison, Red-wattled Lapwings had an esophageal mucosa about 50% thicker and more glands per…
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Fused Toes on Both Feet Documented in a Wild Eastern Cattle Egret in Karnataka
A wild Eastern Cattle Egret observed at Huyilalu Lake in Karnataka had asymmetric deformities and fused toes on…
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Modelled Adult Male Plains Zebra Mass Rose 16.9% During the Sampled Wet-season Period
Historical Serengeti measurements modelled a roughly 45 kg, or 16.9%, rise in adult male zebra mass from late…
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CT and Anatomical Sections Produced the First Integrated Map of the Grey Heron Nasal Cavity
CT scans and matching anatomical sections from three juvenile grey herons produced the first integrated reference for the…
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Captive-raised Wild Boar Had a Denser Trabecular Network in the Talus
A study of 41 wild boar found that captive-raised animals had a denser internal trabecular network in the…
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