Category: Curated lists

Carefully compiled lists exploring the diversity of bird species around the world. This category highlights rare and endangered birds, as well as fascinating insights into their behavior, intelligence, and unique adaptations.

13 of the world’s rarest and most endangered woodpeckers

Okinawa woodpecker (Dendrocopos noguchii)

The ivory-billed woodpecker and the imperial woodpecker are currently the rarest woodpeckers in the world, if they still exist at all. With no confirmed sightings in decades, these species are either functionally extinct or surviving in extremely low numbers, hidden in remote forests. Close behind them are the Okinawa woodpecker, tellow-faced flameback, and Fernandina’s flicker, […]

16 of the world’s rarest eagles, and why they’re in danger

Madagascar fish eagle (Icthyophaga vociferoides)

The Madagascar fish eagle is currently the world’s rarest eagle, with no more than 240 mature individuals. The Great Nicobar serpent eagle may soon surpass it in rarity, though its exact population remains uncertain, with some estimates as low as 200 mature individuals. This article highlights not only the rarest eagles by population size but […]

24 of the world’s largest flying birds by wingspan, weight, and height

Snowy albatross (Diomedea exulans)

The snowy albatross is the largest flying bird, with a wingspan of up to 3.7 meters (12.1 feet). The great bustard is the heaviest, reaching 21 kilograms (46 pounds), while the sarus crane is the tallest at 1.8 meters (5.9 feet). Each species has evolved unique flight adaptations, from dynamic soaring to powerful takeoffs. This […]

32 of the world’s ugliest and creepiest birds, and why they look so strange

Jabiru (Jabiru mycteria)

Some birds look more like nightmares than nature’s creations. The marabou stork, with its hunched vulture-like stance and bald, wrinkled head, is one of the ugliest scavengers in the animal kingdom, while the shoebill’s eerie, unblinking stare makes it downright scary. The wide-eyed potoo looks permanently creepy, and the southern screamer is both goofy and […]

24 of North America’s rarest birds still found in the wild

California condor (Gymnogyps californianus)

The akikiki is currently North America’s rarest bird, with fewer than 10 individuals remaining as of 2023. The ivory-billed woodpecker, though likely extinct, has had no confirmed sightings since 1987 and remains unverified as such. Meanwhile, the California condor, once extinct in the wild, has been successfully reintroduced, with 369 individuals recorded in the wild […]

New bird species discovered in the last 25 years (Ongoing report)

Over the last 25 years, advancements in field research, bioacoustics, and genetic analysis have significantly enhanced our ability to identify and classify new bird species. Since 2000, ornithologists have documented a remarkable number of previously unrecognized species, expanding our understanding of avian biodiversity across diverse ecosystems, from isolated mountain ranges and dense rainforests to understudied […]

18 smartest birds in the world and how their intelligence is measured

New Caledonian crow handling a twig

Crows, ravens, magpies, grey parrots, and keas are among the world’s smartest birds, demonstrating remarkable problem-solving skills, tool use, complex communication, and even self-awareness. Scientists measure avian intelligence through behavioral experiments, including problem-solving tasks, memory tests, and social interactions.

12 groups of brood parasitic birds and their common victims

Reed warbler feeds a common cuckoo nestling

Brood parasitism is a reproductive strategy in which certain bird species lay their eggs in the nests of others, leaving incubation and chick-rearing to unsuspecting hosts. This behavior allows parasites to maximize reproductive success while minimizing parental investment, often at great cost to the host species.

15 of the world’s rarest ducks still found in the wild

Madagascar pochard (Aythya innotata)

Ducks are among the most diverse and widespread bird families, yet many species are on the brink of extinction due to habitat loss, hunting, and environmental changes. In this article, we highlight 15 of the world’s rarest ducks still found in the wild, ranking them from rare to the rarest based on population estimates and […]

42 of the world’s rarest birds still found in the wild

Spix's macaw (Cyanopsitta spixii)

Around the world, countless bird species are fighting for survival, facing challenges ranging from habitat loss and climate change to illegal hunting and competition with invasive species. The following list highlights 42 of the rarest birds that, despite their critically low populations, can still be found in the wild – if you’re lucky enough to […]