Articles by Damjan Milenkovic
Showing 20 articles
Are Birds Mammals? Here Is How They Are Classified
Birds and mammals share warm blood and complex behavior, but their family trees split far earlier than their similarities suggest.
The Biggest Birds in the World by Height, Weight, and Wingspan
Ostriches dominate height and weight, while albatrosses, condors, bustards, and extinct giants win other measures of size.
Talking Birds That Can Mimic Human Speech
Parrots, mynas, ravens, and several other birds learn sounds through a flexible voice organ, close listening, and strong social motivation.
The Smartest Birds and What They Can Actually Do
Corvids and parrots lead many intelligence tests, but memory, tools, language, planning, and social skill produce different kinds of smart.
Flightless Birds From Around the World
Ostriches, penguins, kiwis, rails, and other birds traded flight for running, swimming, strength, or survival on predator-free islands.
Birds That Mate for Life and What “For Life” Really Means
Albatrosses, cranes, geese, parrots, and several raptors form lasting bonds, but social partnership does not always mean sexual exclusivity.
Why Do Birds Migrate? Food, Seasons, and Survival
Birds migrate when moving offers better food, breeding space, or survival odds than staying through changing seasons.
How Long Do Birds Live? Lifespans From Finches to Albatrosses
Small songbirds may survive only a few years, while parrots and seabirds can live for decades, with size only part of the explanation.
How Do Birds Fly? Wings, Feathers, and the Four Forces
Bird flight comes from shaped wings, controlled feathers, strong muscles, and constant adjustments to lift, thrust, drag, and weight.
How Do Birds Sleep and Where Do They Go at Night?
Birds sleep on branches, water, cliffs, nests, and even in flight, using grip reflexes and half-awake brains to stay safe.
How Do Birds Mate and Reproduce?
Courtship may last days or months, while fertilization often happens in seconds through a brief cloacal contact called a cloacal kiss.
Do Birds Fart? What Science Actually Knows
Birds can carry gas in the digestive tract, but ordinary flatulence appears rare and is poorly documented compared with mammals.
Do Birds Pee? Why Bird Droppings Look Different
Birds remove nitrogen waste mainly as uric acid, mixing it with feces at the cloaca and conserving water in the process.
Can Birds Smell? The Myth and the Evidence
Many birds can smell far better than people once assumed, using scent to find food, nests, partners, and routes across open water.
Do Birds Have Ears? How Bird Hearing Works
Birds have ear openings hidden beneath feathers, plus hearing systems fine-tuned for songs, calls, prey, and balance.
Do Birds Have Teeth? What Those Spikes Really Are
Modern birds have no true teeth, but serrated beaks, tongue spines, and ancient fossils make the answer more interesting than a simple no.
Are Birds Warm-Blooded or Cold-Blooded?
Birds make their own heat, run at high body temperatures, and use feathers, blood flow, and behavior to keep that heat under control.
Are Birds Dinosaurs? Why Scientists Say Yes
Every living bird, from a chicken to an albatross, belongs to the only dinosaur lineage that survived the mass extinction.
Are Birds Reptiles? The Answer Depends on Classification
A sparrow is not a lizard, but modern evolutionary classification places birds inside the reptile family tree.
50 Facts About Birds That Sound Made Up
From backward-flying hummingbirds to ant-bathing cardinals, birds are stranger, smarter, and tougher than they look.