Animals

Facts about Javan hawk-eagle

We found 13 facts about Javan hawk-eagle

Nisaetus bartelsi

The Javan hawk-eagle is one of the most endangered raptors in the world. It is a symbol of the endemic fauna of Java island in Indonesia and an Indonesian national bird. As a monogamous species that pairs with one mate, habitat fragmentation is one of the gravest dangers to their preservation.

Javan hawk-eagle
1
It is an endemic species of Indonesia.
It can be encountered in tropical forests of the island of Java.
2
It reaches an approximate size of 60 centimeters.
3
Javan hawk-eagles are dark-brown to chestnut in color, with a creamy stripe on their throat and randomly displayed black dots and stripes.
4
It has a distinguished vertical crest.
It consists of up to four 12 centimeters long feathers.
5
It has a vibrant yellow iris.
Young Javan hawk-eagles have blue-grayish eyes that change color as they mature.
6
The Javan hawk-eagle is a national bird of Indonesia.
It was declared as such in 1993.
7
It is carnivorous.
Its diet consists of birds, bats, lizards, snakes, and small mammals, which are their prey of choice, especially squirrels, rats, and tree shrews.
8
The mating season lasts from May to August.
There are recorded cases, however, of year-round breeding.
9
The Female lays a single egg that hatches after 48 days of incubation.
The young fledge around 2.5 months after hatching.
10
The breeding usually happens every two years.
The young typically stay with their parents for a year after fledging.
11
Javan hawk-eagle is monogamous.
There are an estimated 325 Javan hawk-eagle pairs in the wild.
12
Javan hawk-eagles are non-migratory.
The one-time migration happens only when the young leave the nest to build their own.
13
It is listed as endangered on the IUCN Red List.
It faces habitat loss and destruction, excessive poaching, and illegal pet trade.
Hungry for more facts?

Similar topics

15 facts about Javan leopard
15 facts about Javan leopard
Panthera pardus melas
The Javan leopard is one of the endemic animals of the island of Java in Indonesia. Due to habitat fragmentation, leopards are forced to breed within ...
10 facts about corpse flower
10 facts about corpse flower
Titan arum
Amorphophallus titanum, also known as titan arum, has the world’s largest unbranched inflorescence (collection of flowers). Consisting of fleshy spadi ...
15 facts about Mount Tambora
15 facts about Mount Tambora
Tomboro
Mount Tambora is one of the tallest volcanoes in Indonesia. Although dormant for many centuries, it is known for the deadliest eruption in modern hist ...
14 facts about Krakatoa
14 facts about Krakatoa
Krakatau - the loudest volcano in history
Krakatoa is known as one of the deadliest volcanoes in modern history. The 1883 eruption is considered the second largest eruption in the world. Indon ...
14 facts about great grey shrike
14 facts about great grey shrike
Lanius excubitor
These small birds, compared in size to a sparrow or a blackbird, enjoy the infamous reputation of being the most brutal birds in the world. They are n ...
23 facts about Bird of Paradise
23 facts about Bird of Paradise
One of the most unique species of bird on earth
These unusual birds were spoken of as early as the 16th century. They were admired by European sailors and merchants, to whom the natives were the fir ...
20 facts about Southern cassowary
20 facts about Southern cassowary
Casuarius casuarius
They are very large flightless birds living in Australia, New Guinea and Indonesia. As a ratite, it is related to emu, ostriches, rheas and kiwis. ...
20 facts about Common cuckoo
20 facts about Common cuckoo
Cuculus canorus
They are known for their distinctive mating song, which resounds with the familiar "cuckoo" repeated in two or three syllables. Another interesting fe ...

Latest topics

20 facts about beer
20 facts about beer
World’s third most popular beverage
It is one of the oldest alcoholic beverages produced. The first archaeological evidence of brewing dates back 13,000 years ago from the territory of I ...
15 facts about StarCraft
15 facts about StarCraft
The computer game classic of the 1990s
For gamers whose childhood and early youth were in the 1990s, StarCraft can evoke nostalgia. This already classic title lived to see a sequel in 2010, ...
12 facts about capybaras
12 facts about capybaras
The world’s largest rodent and social media star
The capybara, the largest rodent known to us today, is an animal with a very pleasant disposition and appearance, living both an aquatic and terrestri ...
20 facts about Amazon River
20 facts about Amazon River
Its basin covers nearly half of South America
In the year 1500, European explorers stumbled upon one of the most remarkable wonders on the planet: the amazing Amazon River. This majestic waterway ...
13 facts about churro
13 facts about churro
A dessert worth the sin
Churros are known to all lovers of Spanish and Latin American cuisine, but few may realize that their genesis, in all likelihood, took place in the Fa ...
29 facts about Colorado
29 facts about Colorado
Centennial State
Colorado is one of the larger American states, bordered by longitude and latitude. The state is famous for its varied landscape of mountains, forests, ...
18 facts about Roland Garros
18 facts about Roland Garros
French pioneer of aviation who played tennis only a few times in his life
Roland Garros was a French aviator who played an important role in the history of aviation. He began his aviation career in 1909 and achieved many aer ...
24 facts about Sri Lanka
24 facts about Sri Lanka
The “Land of Smiles”
Sri Lanka is an island country in the Indian Ocean. Previously, until 1972, both the country and the island on which it lies were known to the world a ...

Similar topics