Recently Updated Guides

Andean Condor in flight

14 Largest Birds of Prey: Apex Predators of the Skies

The Andean condor is the world’s largest and heaviest living bird of prey, with a wingspan of up to 3.3 meters (10.8 feet) and a body mass reaching 15 kilograms (33.1 pounds). The secretarybird is the tallest and longest, standing 1.3 meters...

Black Skimmer (Rynchops niger)

3 Types of Skimmer Birds (Complete Guide to Rynchops)

Skimmers are three distinctive species of waterbirds in the genus Rynchops, belonging to the gull and tern family (Laridae). Instantly recognized by their laterally compressed bills with elongated lower mandibles, they feed in a unique way –...

Red-Tailed Black Cockatoo (Calyptorhynchus banksii)

12 Black Parrots of the World (Some Fully Dark-Plumaged)

Some of the world’s most distinctive black parrots include the Australian black cockatoos and the vasa parrots of the Coracopsis genus, which are native to Madagascar, the Comoros, and the Seychelles. In addition to these, a few other dark...

Red-Winged Blackbird displaying territorial aggression

12 Most Dangerous Birds and Their Attacks on Humans

The southern cassowary is widely regarded as the world’s most dangerous bird due to its sheer aggression and deadly physical traits. In terms of actual human fatalities, however, the common ostrich is deadlier, with several deaths reported...

Various waterfowl species (Anseriformes)

5 Types of Waterfowl: Families and Diversity of Anseriformes

Waterfowl are birds of the order Anseriformes, a group that includes the familiar ducks, geese, and swans (family Anatidae), along with the lesser-known screamers of South America (Anhimidae) and the unique magpie goose of northern Australia and...

Great Slaty Woodpecker (Mulleripicus pulverulentus)

10 Largest Woodpeckers in the World and Two Disappeared Giants

The great slaty woodpecker is the world’s largest and heaviest living woodpecker, reaching up to 58 centimeters (22.8 inches) in length and weighing as much as 563 grams (1.24 pounds). In terms of wingspan, however, the record belongs to the...

Common Ostrich sprinting across the savannah

12 Fastest-Running Birds in the World by Land Speed

The common ostrich is the world’s fastest-running bird, capable of sprinting at recorded speeds up to 97 km/h (60 mph) and sustaining steady runs at over 70 km/h (43 mph). Behind the ostrich, the greater rhea and lesser rhea follow as the next...

Snow and Canada Geese

10 Types of Geese in North America (Wild Natives to Exotics)

North America’s geese belong to the genera Branta and Anser, forming a familiar and diverse group within the waterfowl family Anatidae. Several species occur regularly across the United States and Canada, from the widespread Canada and snow...