Fortipesavis

Igama lithetha: “strong-footed bird”1

Yayitya: IzinambuzaneIintaka zokuqalaiCretaceous yamva

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

Yaphila

100 ukuya ku-94 izigidi zeminyaka eyadlulayo4

iCretaceous yamva

Iifosili zifunyenwe:

Myanmar (Kachin State, Hukawng Valley)1 2

Esona santya siphezulu

malunga ne-27 km/h (17 mph)

Ukubhabha, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Fortipesavis malunga ne-27 km/h (17 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

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

Umfanekiso owenziwe yi-AI: Fortipesavis — Umfanekiso owenziwe yi-AI obonisa indlela Fortipesavis esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

Kwiingcali zeedayinaso

Igama lenzululwazi: Fortipesavis
Inikwe igama ngu:: Clark and O’Connor 20214
Iqela: Iintaka zokuqala
Usapho / iclade: Enantiornithes4
Ukuhlelwa: Theropoda > Avialae4
Ubudala bamatye: 100 ukuya ku-94 izigidi zeminyaka (Cenomanian)4
Amazwe: iMyanmar4
Iirekhodi zeefosili: 1 kwi-Paleobiology Database4
Ukufunyanwa: 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
Kusaxoxwa ngayo: 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

Apho iinyani zivela khona

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): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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