Fortipesavis

Lebitso le bolela: “strong-footed bird”1

E jele: DikokwanyanaDinonyana tsa peleKretase ya Morao

Fortipesavis was a tiny bird that lived about 98 million years ago. It had a very strong and wide fourth toe, which helped it grip onto thin, wobbly branches like a kingfisher. Its foot was so unusual that scientists named it the 'strong-footed bird'.1 2

E phetse

dilemo tse dimilione tse 100 ho isa ho 94 tse fetileng4

Kretase ya Morao

Difosili di fumanwe ho

Myanmar (Kachin State, Hukawng Valley)1 2

Lebelo le phahameng ka ho fetisisa

e ka bang 27 km/h (17 mph)

Ho fofa, kakanyo

E phetse neng?

Triasiki

Jurasiki

Kretase

Dilemo tse dimilione tse 252 tse fetileng20114566, asteroiti

E ne e le lebelo hakae?

Motho ya tsamayang ka maoto e ka bang 5 km/h (3 mph)

Ngwana a palame baesekele e ka bang 12 km/h (7 mph)

Fortipesavis e ka bang 27 km/h (17 mph)

Pere e mathang ka matla e ka bang 65 km/h (40 mph)

Lengau e ka bang 100 km/h (62 mph)

dintho tse monate

Dintlha tse monate

Fortipesavis is known only from a partial left foot preserved in amber, which is a piece of fossilized tree resin.1

Its fourth toe was almost twice as wide as its second toe, a feature not seen in any other bird, living or extinct.1 2

The foot of Fortipesavis had thick, padded toes with deep grooves between them, which helped it grip tightly onto branches.2

This bird lived in a mangrove forest environment, where it probably perched on thin, swaying branches while hunting for insects.1 2

The fossil of Fortipesavis was found in a piece of amber that weighs only 2.68 grams and is about the size of a large coin.1

Scientists used micro-CT scanning to study the foot inside the amber without damaging the fossil.1

Setshwantsho sa Fortipesavis se entsweng ke AI — Setshwantsho se entsweng ke AI, se bontshang kamoo Fortipesavis e ka beng e ne e shebahala kateng, se entswe ke khomphutha ho ya ka seo bo-ramahlale ba se tsebang. Ke ho hakanya feela: phoofolo ya nnete e ka nna ya ba e ne e shebahala ka tsela e nngwe, mme ha ho motho ya tsebang mebala ya yona ya nnete.

Bakeng sa ditsebi tsa didinosaure

Lebitso la saense: Fortipesavis
E rehilwe ke: Clark and O’Connor 20214
Sehlopha: Dinonyana tsa pele
Lelapa / leloko: Enantiornithes4
Tlhophiso: Theropoda > Avialae4
Dilemo tsa mafika: dilemo tse dimilione tse 100 ho isa ho 94 (Cenomanian)4
Dinaha: Myanmar4
Direkoto tsa difosili: 1 ho The Paleobiology Database4
Ho sibollwa: Fortipesavis was named in 2021 by Alexander Clark and Jingmai O'Connor based on a foot preserved in amber from Myanmar. The fossil was first described in 2019 by Lida Xing and colleagues.1 3
E sa ntse e phehwa kgang: Scientists are not sure whether Fortipesavis ate insects or fish, because its foot is similar to both modern kingfishers (which eat fish) and bee-eaters (which eat insects).2

Moo dintlha di tswang teng

Fortipesavis (en.wikipedia.org)
Frontiers | Exploring the Ecomorphology of Two Cretaceous Enantiornithines With Unique Pedal Morphology (frontiersin.org)
PBDB Taxon (paleobiodb.org)
Fortipesavis in The Paleobiology Database (CC BY 4.0): dilemo, dibaka, dibopeho tsa mafika, tlhophiso.

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