France / Français
Parthenogenesis and the Condor
4 monthes ago - By Ornithology
Parthenogenesis means birth without fertilization. In other words, a female gives birth to offspring without having been impregnated by a male. This phenomenon occurs normally in some plants and a number of invertebrates like nematodes, some scorpions and mites, aphids, some bees, and parasitic wasps. It also happens among all vertebrates except mammals - yes, even birds. Parthenogenesis has been confirmed in hammerhead and blacktip sharks, some geckos, Komodo Dragons, and some species of boas, garter snakes, and rattlesnakes, among others. In birds most examples are from domestic turkeys...
Read more ...
The headlines of Pet Mag
Guide to Long Distance Binoculars
Guide to choosing the best high powered long distance binoculars to be used for land based observation. Most high lower bins are usually designed with astronomy in mind...
Best Birding Binocular 2016/2017
During the year many, many binoculars arrive on my desk for testing and review. So at times even I can find it a little overwhelming as to which is best. This every year I...
BirdWatching Binoculars 101
If you are new to birding, choosing your first pair of binoculars can seem a little daunting, but it needn't be. This guide takes you thought where to start and all the...
Birding St Lucia, South Africa
St Lucia is a small town on the Southeastern coast of South Africa. It seems to consist mainly of hotels and restaurants, as the local economy depends on visitors to the...
Shape-shifting Birds
There is a “rule,” actually a rule of thumb, that says as distance from the equator increases (like going farther north in the northern hemisphere) the body sizes of...
Black-necked Storks at Myalls Bore near Derby
Whenever we make a trip to Derby we pull over seven kilometres before we get to town at Myalls Bore and the 120 metre long cattle trough. We have seen the cattle trough enough...