Talk:Haast's eagle

message: I am modifying the claim that these were the largest birds of prey ever to have lived since teratorns were clearly much larger. Here is a page with a partial scan of a 1980 article from Bioscience describing the 25' birds: http://www.bearfabrique.org/Catastrophism/ttorn.htm Thanks, 12.215.141.110 08:00, 20 Mar 2005 (UTC)
thread_title: Size

message: "Female Haast's Eagles weighed 10 to 15 kg (22 to 33 lb), and males weighed 9 to 10 kg (20 to 22 lb). They had a wingspan of roughly 2.6 to 3 m (8 to 10 ft) at most, which was short for a bird of the eagle's weight (the largest Golden Eagles and Steller's Sea Eagles may have a wingspan of almost the same length)"
This is a proportionally large wingspan, with a ratio approaching the Andean Condor Vultur gryphus (weight 7.5–15 kg/16½–33 lb, span 274–310 cm/108–122 in). Golden (span 180–234 cm/71–92 in) and Steller's Sea Eagles (span 195–230 cm/76¾–90½ in) are far behind. I'm not disputing the figures per se, as I've often seen similar ones elswhere, merely pointing out how conflicting the above statement is. 
Though the figures do strike as odd: like said, forest eagles such as the Harpy Eagle Harpia harpyja (weight 4–9 kg/8¾–19¾ lb, span 176–201 cm/69¼–79 in) or the Crowned Eagle Stephanoaetus coronatus (weight 2.7–4.7 kg/6–10¼ lb, span 151–181 cm/59½–71¼ in) indeed have relatively short spans. Figures taken from Raptors of the World (Ferguson-Lees & Christie 2001). 
--Anshelm '77 (talk) 02:02, 6 December 2007 (UTC)
thread_title:  Notes on comparisons 

message: Why do Hokioi and Hakawai redirect here? If anything, Pouakai and Poukai would have to. The factual basis of the Hokioi, though it was inspired by tales of the eagle, was actually Coenocorypha snipes (or rather the noises produced by them). The Hokioi of the lore was a mythical composite entity, and not identical to any single species of bird. Also, the correlation of each name's distribution with the known range of Haast's Eagle and the distribution of Māori dialects is... well let me say revealing (especially if you take into account "Hakawai"). In retrospect the outlandish attributes ascribed to the Hokioi make utter sense. The Māori were very astute observers; they knew what they saw and they also knew what they did not - or could not - see.
A thorough treatament of the Hokioi/Hakawai is beyond the scope of the Haast's Eagle article. It would need its own place. 
In addition - the Hokioi tale gives the name of the "falcon" (= Eyles' Harrier) as "Kei". Now, if one frees oneself from the "Hokioi = Haast's Eagle" canard and realizes that the proper Māori name of the eagle - when it was still extant - was Pouakai, the matter becomes even more interesting. Especially when one also considers that the Moriori understood "Poua-" to imply something along the lines of "the hugest flying bird", because the hugest flying bird on the Chatham Islands is what received that name eventually... Dysmorodrepanis (talk) 14:37, 7 February 2008 (UTC)
replies: text: Some scientists recently found evidence that the Haast and the Hokioi are one and the same. 124.169.112.178 (talk) 09:28, 15 September 2009 (UTC)
thread_title: Hokioi?

message: Why are the measurements given in ISO standard Metric and then in Imperial? Surely the ISO standard measurements are sufficient, and if anyone from the (very) few remaining countries using Imperial Units is interested, they can run a measurement through a converter. Having both clutters the article unnecessarily. Additionally, this is an article about a New Zealand based (unfortunately extinct) bird, and New Zealand, where probably the majority of the readership for this article live, is definitely a Metric using country.  —Preceding unsigned comment added by DavidApi (talk • contribs) 20:10, 21 July 2008 (UTC)
thread_title: Units of Measure

message: Among other useful data, The Lost World of the Moa (Worthy et al. 2002) offers spans between 214–260 cm (84¼–102½ in) based on remains. As I had thought earliel, 260–300 cm seemed suspiciously large for a forest eagle this weight, and turns out it is. Interestingly, before finding other data besides weight, i had speculated 9–15 kg Harpagornis to have a length range of 120–140 cm and wingspan of 225–265 cm using Crowned Eagle as template (seemed the best choice as, like Harpagornis, it is closely related to Aquila eagles unlike the harpy eagle complex), so it seems to have worked out quite well.
Note that none of today's forest eagles exceeds 210 cm in wingspan, with the largest span belonging to the Philippine Eagle (weight 4.7–8 kg) at 184–202 cm, marginally eclipsing the Harpy Eagle (3.8–9 kg) at 176–201 cm, with all the rest below 200 cm. 
I've also seen talon lengths of 6–7.5 cm (c. 2½–3 in), similar to Harpy Eagle, which is surprisingly small. Compared to the Harpy Eagle one could have assumed talons up to 8–10 cm (3–4 in) long for this species.
--Anshelm '77 (talk) 14:01, 23 February 2009 (UTC)
thread_title:  Wingspan & talon length 

message: Under the Heading "Size and habits," second paragraph ends with "rather it represents a departure from the mode of its ancestors' soaring flight, toward higher wing loading and increased maneuverability."
Following that link to wing loading, last sentence of first paragraph ends with "The high wing loading also decreases maneuverability."  
There is a contradiction here that I can't fix, but seemed worth noting.  I would be speculating, so I don't want to post an edit, but it seems to me that the higher wing loading in this bird is probably related to increasing it's strike speed at the cost of some maneuverability.  
Jwachtel (talk) 18:55, 18 July 2010 (UTC)
thread_title: Wing Loading

message: Removed unsupported and illogical weasel wording. Maori did not have the means to hunt these birds, in fact, the size of the bird and the bird's 300 pound prey would suggest the eagle was more likely to hunt the slow and easy prey left over after the moa was hunted to extinction. Their likely prey were people. Maori Poukai myth supports this but I won't include it for obvious reasons. 99.236.221.124 (talk) 20:45, 19 June 2010 (UTC)
replies: text: Except that humans have been known to hunt down other animals that prey on them.  You'd be surprised how severely a ferocious apex predator's health can be negatively impacted by having spears thrown at it on a routine basis.--Mr Fink (talk) 20:53, 19 June 2010 (UTC)

text: Jared Diamond in his book The Third Chimpanzee argues that the Maori exterminated the larger Moa and other flightless birds and may have also contributed to the demise of Haast's Eagle.  — Preceding unsigned comment added by 212.234.135.180 (talk) 20:42, 23 September 2011 (UTC)
thread_title:  The eagles also may have been hunted by humans 

message: The image currently shown of a Haast's eagle model at Te Papa reportedly depicts a Golden eagle scaled up, not an actual Haast's eagle according to Dr. Mike Dickison ‏@adzebill (Twitter), the curator of the world's largest collection of Moa bones at the Whanganui Regional Museum.  — Preceding unsigned comment added by VikOlliver (talk • contribs) 04:19, 25 October 2014 (UTC)
thread_title: Dispute over depicted artwork

message: There is a move discussion in progress on Talk:New Zealand Fairy Tern which affects this page. Please participate on that page and not in this talk page section. Thank you.  —RMCD bot 09:15, 3 May 2014 (UTC)
thread_title: Move discussion in progress

message: There is a move discussion in progress on Talk:New Zealand fairy tern which affects this page. Please participate on that page and not in this talk page section. Thank you.  —RMCD bot 22:46, 4 May 2014 (UTC)
thread_title: Move discussion in progress

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thread_title:  External links modified 

message: What is the egg size? In mm please. I need help. 2601:243:C400:575:B5BA:F29D:AF68:654D (talk) 20:44, 16 November 2022 (UTC)
replies: text: unknown since no eggs or chicks have been found Dunkleosteus77 (talk) 00:27, 17 November 2022 (UTC)
thread_title:  Eggs 

message: The paragraph about the sculpture just reads like an advertisement to me.  I'm not sure of the relevance of all that detail to an article about the bird.  Should this paragraph be moved to a new section about depictions in artwork, so as to encourage further additions? Toothpickdog (talk) 21:45, 3 December 2022 (UTC)
replies: text: If there was more to say about its cultural significance, perhaps. In any case, I think it should be shortened. FunkMonk (talk) 21:47, 3 December 2022 (UTC)
thread_title:  Artwork