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Latest Oology Stories

Birds Evolved Distinctive Patterns To Identify Cuckoo Eggs From Their Own
2014-06-19 03:13:09

University of Cambridge For some birds, recognizing their own eggs can be a matter of life or death. In a new study, scientists have shown that many birds affected by the parasitic Common Cuckoo - which lays its lethal offspring in other birds' nests - have evolved distinctive patterns on their eggs in order to distinguish them from those laid by a cuckoo cheat. The study reveals that these signature patterns provide a powerful defense against cuckoo trickery, helping host birds to...

Tree Sparrows Recognize Foreign Eggs In Their Nest By Color And Shape
2013-12-11 09:23:39

University of Veterinary Medicine, Vienna Many birds have reason to worry that the eggs in their nest might not be their own: birds often deposit eggs into other nests and it is not easy for parents to tell their eggs from others. Researchers at the University of Veterinary Medicine, Vienna have discovered that tree sparrows can recognize eggs deposited by other tree sparrows but do not always reject them. The results are published in the online journal Plos One. Building a nest, laying...

Eggshells Of The Guillemot Are Self-Cleaning
2013-07-05 09:23:16

Society for Experimental Biology Unique nano-structures on guillemot eggshells eggs enable them to survive precarious habitats, on exposed cliffs with no nest. A new study, to be presented at the Society for Experimental Biology meeting in Valencia on July 5, shows how these structures act as self-cleaning guardians of the eggs, preventing them from falling and protecting them from salt and guano exposure. The team of researchers headed Dr Steven Portugal (Royal Veterinary College,...

Male Marine Snails Get Stuck Babysitting
2012-08-29 05:54:00

Watch the Video: A Snail Sex Story April Flowers for redOrbit.com - Your Universe Online From egg-laying to hatching, the male marine whelk, Solenosteira macrospira, does all the work — even though few of the babies are his. Researchers at the University of California, Davis, have classified S.macrospira as belonging to a small club of reproductive outliers characterized by male-only childcare. Throw in extensive promiscuity and sibling cannibalism, and the species has one of...

2012-05-14 21:32:14

A male robin will be more diligent in caring for its young if the eggs its mate lays are a brighter shade of blue. Queen´s University biology professor Bob Montgomerie has been studying robins on and off for 25 years and has a particular fascination with the bright blue color of their eggs. To test a theory on the purpose of bright egg coloration, Dr. Montgomerie and MSc student Philina English, working at the Queen´s University Biological Station (QUBS) and other sites around...

Image 1 - Were Easter Eggs Inspired By Dinosaurs?
2012-04-06 05:41:00

A new study comparing the eggs of various biological species has determined that some types of Easter eggs purchased in the marketplace may actually have been inspired by dinosaurs, not birds. According to an Asian News International (ANI) report, research conducted by paleontologists in Spain and the UK analyzed fossil eggs estimated to be 70 million years old that were discovered in the Pyrenees. Their goal was to determine whether or not the eggs in question had been laid by birds or...

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2011-04-14 09:50:35

New research reveals how biological arms races between cuckoos and host birds can escalate into a competition between the host evolving new, unique egg patterns (or 'signatures') and the parasite new forgeries. Brood parasitic birds such as cuckoos lay eggs that mimic those of their hosts in an effort to trick them into accepting the alien egg and raising the cuckoo chick as one of their own. New research from the University of Cambridge has found that different bird species parasitized by...

2011-01-27 12:25:46

Most nature lovers know that the more colourful a male fish, reptile, or bird, the more likely it is to attract a female and to have healthy offspring. Females, on the other hand, tend to be drably coloured, perhaps to avoid predators while carrying, incubating, and caring for young. Curiously, the female striped plateau lizard, which lives in the rocky slopes of Arizona's south-eastern mountains, is an exception to this rule in the animal world. Females are more colourful than males "“...

2010-09-22 13:21:11

Researchers at the University of Sheffield have discovered that cuckoo eggs are internally incubated by the female bird for up to 24 hours before birth, solving for the first time the mystery as to how a cuckoo chick is able to hatch in advance of a host´s eggs and brutally evict them. Published today (22 September 2010) in the journal Proceedings of the Royal Society of London, Series B, the research shows that internal incubation allows the cuckoo chick to hatch before...


Latest Oology Reference Libraries

Ornithology
2013-10-09 12:32:30

Ornithology, a branch of zoology, is the study of birds. The term ornithology is derived from the ancient Greek words for bird and rationale or explanation. This study differs from other sciences because amateurs often take part in studies and because birds are commonly seen. It is thought that ornithology developed in the same manner than biology developed. Drawings from the Stone Age show the earliest interest in birds and the remains of over eighty bird species have been found at excavated...

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Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'