Haast’s Eagle

The Haast’s eagle was the largest eagle to have ever existed.
Haast’s Eagle Scientific Classification
Scientific name
Hieraaetus moorei
Haast’s Eagle Physical Characteristics
9 – 11 kilograms (20 – 26 pounds)
Haast’s Eagle Distribition

The Haast’s eagle ( Hieraaetus moorei) is a species of eagle that was when plentiful on the South Island of New Zealand. Likewise called the gigantic eagle, Haast’s eagle holds the title of the biggest eagle to have actually ever before lived. The species went extinct around 1400, and specialists connect its loss to the arrival of the Māori people (the Polynesian individuals of Landmass New Zealand) to its indigenous environment.

Summary and Dimension

The Haast’s eagle was called after Julius von Haast, the initial individual to release an extensive summary of it.

Hasst wrongly designated the bird to the genus Harpagornis, calling it Harpagornis moorei after& nbsp; George Henry Moore, the proprietor of the estate sharpen the fossilized remains were discovered, though researches verified that Haast’s eagle was really of the genus Hieraaetus

The species stays among the biggest real raptors. Its dimension is bigger than that of living vultures, both in size and weight. Just the just recently found Amplibuteo Woodward (an extinct gigantic eagle species) matches the Haast’s eagle in dimension.

Female Haast’s eagles were considerably bigger than the males. The weight of the females varied in between 10 – 14.5 kilos( 22 – 33 extra pounds), while males evaluated in at somewhat much less: 9 – 12 kilos (20 – 26 extra pounds).

For its dimension, this bird had a reasonably brief wingspan. Their wingspan was in between 2 and 3 meters (8.6 to 10 feet) typically. Haast’s Eagle had thick talons that depended on 75 millimeters (3 inches) long. The talons are similar in kind to that of contemporary eagles, which sustains the concept that they were respected seekers. Haast’s eagles had effective legs and trip muscle mass to sustain their hefty weights.

Lengthy tails rising to 50 centimeters (20 inches) in females made up for the bird’s brief wings and supplied an additional lift. There have actually been pointers that the gigantic eagle was either hairless or had extremely brief plumes on its head. According to regional tales, Haast’s eagles had black and white plumes with a red crest and yellow- eco-friendly wingtips.


Like all eagles, Haast’s eagle was meat-eating. It was a superior seeker that fed mainly on big flightless birds in its indigenous environment, consisting of the moa. This is rather impressive, taking into consideration the moa depended on fifteen times bigger than the eagle! The diet of the Hieraaetus moorei might have likewise consisted of the South Island goose along with duck and rail species discovered on the island.

Land animals discovered on the island were consisted of mainly of a couple of bat species. Birds were plentiful, with flightless grazers like the moa in substantial numbers. The moa operated like deer and livestock in various other environments, while Haast’s eagles were the leading predators.

Throughout a quest, this bird’s massive talons explored its target’s body, triggering fatality by blood loss. They had effective beaks, and specialists believe they utilized their beaks to remove the interior body organs of video game like vultures do.


Hasst’s Eagle lived throughout the Pleistocene to Late Holocene on the South Island of New Zealand. The last of them most likely went extinct in the 1400s. Its brief wingspan was an adjustment that enabled it to endure and quest proactively in the thick woodlands and scrubland of New Zealand where it lived.

It appeared that the bird chosen to reside in the drier components of the island and the Eastern area of the Southern Alps. The last glaciation occasion on the island required the Hasst’s eagle to pull away to the mountain area of the Southern Alps. A Māori dental tale from the 1800s declared that the Haast’s eagle stayed in the hills up until it came to be extinct.

Hazards and Predators

The Haast’s eagle was one of the most leading killer in its indigenous environment. There were nothing else big bird predators, permitting the species to grow for several years. The significant risk to their presence came when humans showed up on the island. The Haast’s eagle, in addition to numerous various other bird species on the island (consisting of the moa), came to be extinct quickly after the arrival of the Māori.

Although humans most likely really did not quest the eagles proactively for food, they completed for the exact same target. Human tasks likewise ruined the completely dry mosaic woodlands and shrublands, the eagles’ popular environment. Humans might have likewise pursued Haast’s eagles for their bones, which they may have transformed inconverted right into functioning and searching devices.

According to some regional tales, the Haast’s eagle might eliminate humans. While this may appear unusual, the huge dimension of the eagle and its tremendous toughness would certainly have made it feasible.

Discoveries and Fossils

The remains of Hieraaetud moorei were initial found in Glenmark Estate by Fredrick Richardson Richer, that was a gallery taxidermist. Bones of the Haast’s eagles have actually been recuperated from greater than 50 various websites given that. These areas are mainly within the Southern and Eastern components of South Island. Some remains have actually been dated to be in between 30,000 and 500 years of ages. This verifies the concept that the Rush’s eagles and humans cohabited on the island at some time.


According to some researches, the complete population of the Haast’s eagle was around 3000– 4500 reproducing sets at their most durable. Hieraaetus moorei entered into termination in the 1400s, a brief while after the Māori individuals showed up on their indigenous residence. It is thought that the Māori individuals really did not quest the eagle to termination. Rather, they pursued flightless birds that were reasonably simpler to eliminate. Quickly, the moa, which was the eagle’s key target, passed away out. As soon as the moa came to be extinct, there was inadequate food left for the titan- sized eagles to endure. Environment loss as a result of human tasks might have likewise added to their decrease.

Similar Animals to the Haast’s Eagle

Similar animals to the Haast’s eagle consist of:

  • Little eagle – This is a really tiny bird with an ordinary dimension of 17– 21.5 inches. Little eagles are contemporary family members of the Haast’s eagle. The bird is native to Australia, living in open timberlands, meadows, and dry locations.
  • Started eagle – The started eagle is a tiny migratory bird belonging to the Palearctic area and southerly Asia. Nonetheless, they invest winter season in Africa and the tropics of Asia.
  • Harpy eagle – The harpy eagle is among the biggest living eagle species on the planet. It is discovered in south and main America, although its population is presently decreasing.


  1. wikipedia, Available here: https://en.wikipedia.org/wiki/Haast%27s_eagle
  2. nzbirdsonline, Available here: https://nzbirdsonline.org.nz/species/haasts-eagle
  3. new-zealand-birds, Available here: https://my.christchurchcitylibraries.com/new-zealand-birds/#Haast

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