Read the Beforeitsnews.com story here. Advertise at Before It's News here.
Profile image
Story Views
Now:
Last hour:
Last 24 hours:
Total:

Prehistoric Planet clip on YouTube: ‘Mononykus’

% of readers think this story is Fact. Add your two cents.



YouTube video from Prehistoric Planet. Click to play

Another clip
from Prehistoric Planet follows traditional thinking regarding Mononykus (Figs 1–3) in imagining this alvarezsaurid as a termite eater. Narrator, David Attenborough, says Mononykus (‘one claw’) means “giant claw”. The animation is excellent, just a little misguided.


Figure 1. Clip from the Prehistoric Planet video. Frame 2 compares the animated version to the skeleton of Mononykus. Frame 2 compares it to Shuvuuia.

The animators gave their dinosaur
an imaginary woodpecker-like tongue for extracting termites from rotten logs. As you can see (Fig 1) the skull is unknown in Mononykus and the proportions are different. Shuvuuia is also shown, all three to the same metatarsal length. Maybe ‘Mononykus’ was easier for Attenborough to say.

Figure 3. Giant Deinocheirus, a contemporary of Mononykus, might have served as the host and dining room for a series of ever smaller and more specialized parasite eaters. ” data-image-caption=”

Figure 3. Giant Deinocheirus, a contemporary of Mononykus, might have served as the host and dining room for a series of ever smaller and more specialized parasite eaters.

” data-medium-file=”https://pterosaurheresies.files.wordpress.com/2020/05/deinocheirus_mononykus588.jpg?w=271″ data-large-file=”https://pterosaurheresies.files.wordpress.com/2020/05/deinocheirus_mononykus588.jpg?w=584″ src=”https://pterosaurheresies.files.wordpress.com/2020/05/deinocheirus_mononykus588.jpg” alt=”Figure 3. Giant Deinocheirus, a contemporary of Mononykus, might have served as the host and dining room for a series of ever smaller and more specialized parasite eaters.” class=”wp-image-45227″ />

Figure 2. Giant Deinocheirus, a contemporary of Mononykus, might have served as the host and dining room for a series of ever smaller and more specialized parasite eaters.

A novel explanation posits a tick-bird niche,
plucking parasitic insects from large feathery theropods, like the coeval Deinocheirus (Fig 1). Phylogenetically alvarezsaurids grow increasingly tiny with decreasing forelimbs, still strong for clinging, not digging. Note the claws point medially, not ventrally, in other words, not like an anteater.

Figure 1. Forelimb of Mononykus. Large deltopectoral crest pulls humerus toward the sternum like a clasp. ” data-image-caption=”

Figure 1. Forelimb of Mononykus. Large deltopectoral crest pulls humerus toward the sternum like a clasp.

” data-medium-file=”https://pterosaurheresies.files.wordpress.com/2020/05/mononykus-forelimb2.jpg?w=257″ data-large-file=”https://pterosaurheresies.files.wordpress.com/2020/05/mononykus-forelimb2.jpg?w=584″ src=”https://pterosaurheresies.files.wordpress.com/2020/05/mononykus-forelimb2.jpg?w=584″ alt=”Figure 1. Forelimb of Mononykus. Large deltopectoral crest pulls humerus toward the sternum like a clasp.” class=”wp-image-45239″ srcset=”https://pterosaurheresies.files.wordpress.com/2020/05/mononykus-forelimb2.jpg?w=584 584w, https://pterosaurheresies.files.wordpress.com/2020/05/mononykus-forelimb2.jpg?w=129 129w, https://pterosaurheresies.files.wordpress.com/2020/05/mononykus-forelimb2.jpg?w=257 257w, https://pterosaurheresies.files.wordpress.com/2020/05/mononykus-forelimb2.jpg 588w” sizes=”(max-width: 584px) 100vw, 584px” />

Figure 3. Forelimb of Mononykus. Large deltopectoral crest pulls humerus toward the sternum like a clasp. The claws permanently point medially. Not ventrally.

Mononykus olecranus
(Perle et al, 1993) Late Cretaceous ~70 mya, 1 m in length was a flightless alvarezsaurid theropod. Only digit I remained on the hand, which was otherwise stunted, except for the proximal ulna (the elbow) which was enlarged. The hindlimbs were elongated. The tibia had two cnemial crests and the femur/tibia joint was very flexible. Metatarsal 3 did not reach the tarsus.

Shuvuuia deserti
(Chiappe, Norell and Clark 1998, Late Cretaceous; IGM 100/1304) is a smaller alvarezsaurid that retains vestigial digits 2 and 3 and a longer tail. This alvarezsaurid pattern is characterized by the strong, but stunted forelimbs likely used to cling to feathery and scaly hosts as insect-eating ‘tick-birds’ to larger dinosaurs. (IGM 100-0977 is a larger specimen)

References
Chiappe LM, Norell MA and Clark JM 1998. The skull of a relative of the stem-group bird Mononykus. Nature, 392(6673): 275-278.
Choiniere JN, Xu X, Clark JM, Forster CA, Guo Y, Han F 2010. A basal alvarezsauroid theropod from the Early Late Jurassic of Xinjiang, China. Science 327 (5965): 571–574.
Perle A, Norell MA, Chiappe LM and Clark JM 1993. Flightless bird from the Cretaceous of Mongolia. Nature 362:623-626.
Perle A, Chiappe LM, Rinchen B, Clark JM and Norell 1994. Skeletal Morphology of Mononykus olecranus (Theropoda: Avialae) from the Late Cretaceous of Mongolia. American Museum Novitates 3105:1-29.

wiki/Mononykus
wiki/Shuvuuia



Source: https://pterosaurheresies.wordpress.com/2022/05/21/prehistoric-planet-clip-on-youtube-mononykus/


Before It’s News® is a community of individuals who report on what’s going on around them, from all around the world.

Anyone can join.
Anyone can contribute.
Anyone can become informed about their world.

"United We Stand" Click Here To Create Your Personal Citizen Journalist Account Today, Be Sure To Invite Your Friends.

Please Help Support BeforeitsNews by trying our Natural Health Products below!


Order by Phone at 888-809-8385 or online at https://mitocopper.com M - F 9am to 5pm EST

Order by Phone at 866-388-7003 or online at https://www.herbanomic.com M - F 9am to 5pm EST

Order by Phone at 866-388-7003 or online at https://www.herbanomics.com M - F 9am to 5pm EST


Humic & Fulvic Trace Minerals Complex - Nature's most important supplement! Vivid Dreams again!

HNEX HydroNano EXtracellular Water - Improve immune system health and reduce inflammation

Ultimate Clinical Potency Curcumin - Natural pain relief, reduce inflammation and so much more.

MitoCopper - Bioavailable Copper destroys pathogens and gives you more energy. (See Blood Video)
Oxy Powder - Natural Colon Cleanser!  Cleans out toxic buildup with oxygen! 
Nascent Iodine - Promotes detoxification, mental focus and thyroid health.
Smart Meter Cover -  Reduces Smart Meter radiation by 96%!  (See Video)

Report abuse

    Comments

    Your Comments
    Question   Razz  Sad   Evil  Exclaim  Smile  Redface  Biggrin  Surprised  Eek   Confused   Cool  LOL   Mad   Twisted  Rolleyes   Wink  Idea  Arrow  Neutral  Cry   Mr. Green

    MOST RECENT
    Load more ...

    SignUp

    Login

    Newsletter

    Email this story
    Email this story

    If you really want to ban this commenter, please write down the reason:

    If you really want to disable all recommended stories, click on OK button. After that, you will be redirect to your options page.