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1004 – Apus apus | JOUKO - Luontokuvia haudan takaa

1004 – Apus apus | JOUKO - Luontokuvia haudan takaa

As early as 1768, physician Lazzaro Spallanzani studied the regeneration of limbs in newts. Like all salamanders, they can regenerate their tails, eyes and even entire limbs.     When a newt loses a limb, cells in the region of the wound de-differentiate into stem cells, which then form a mass of cells called a blastema, from which the limb regrows.     In a 2007 study on red-spotted newts (Notophthalmus viridescens), Anoop Kumar and colleagues from University College London showed that a…

As early as 1768, physician Lazzaro Spallanzani studied the regeneration of limbs in newts. Like all salamanders, they can regenerate their tails, eyes and even entire limbs. When a newt loses a limb, cells in the region of the wound de-differentiate into stem cells, which then form a mass of cells called a blastema, from which the limb regrows. In a 2007 study on red-spotted newts (Notophthalmus viridescens), Anoop Kumar and colleagues from University College London showed that a…

Commonswift, Mauersegler, Apus apus, Martinet noir, Gierzwaluw, Swift pictures, Vencejo comun, chernyi strizh, Mauersegler Fotos, Swift pictures, Bibliography, airstrokes   http://www.commonswift.org/swift_english.html#

Commonswift, Mauersegler, Apus apus, Martinet noir, Gierzwaluw, Swift pictures, Vencejo comun, chernyi strizh, Mauersegler Fotos, Swift pictures, Bibliography, airstrokes http://www.commonswift.org/swift_english.html#

Fascinante el viaje de un vencejo común marcado con un pequeño dispositivo que nos desvela por primera vez los viajes migratorios y zonas de invernada de los vencejos españoles

Fascinante el viaje de un vencejo común marcado con un pequeño dispositivo que nos desvela por primera vez los viajes migratorios y zonas de invernada de los vencejos españoles

A common swift has taken the title as the fasted bird recorded in level flight.  The swift (Apus apus) can power itself to a speed of 111.6km/h (69.3mph) flying horizontally and even upwards.  Other birds, such as peregrine falcons, fly faster while diving in a stoop, but the swift is the fastest accurately recorded flying under its own power.  The birds reach top speed during bouts of mating known as 'screaming parties', say scientists.

A common swift has taken the title as the fasted bird recorded in level flight, say scientists.

Gotcha! Common swift (Apus apus) catches insect | by PeterQQ2009

Gotcha! Common swift (Apus apus) catches insect | by PeterQQ2009

Ingesloten afbeelding

Adri de Groot on

Ingesloten afbeelding

Commonswift, Mauersegler, Apus apus, Martinet noir, Gierzwaluw, Swift pictures, Vencejo comun, chernyi strizh, Mauersegler Fotos, Swift pictures, Bibliography, airstrokes

Commonswift, Mauersegler, Apus apus, Martinet noir, Gierzwaluw, Swift pictures, Vencejo comun, chernyi strizh, Mauersegler Fotos, Swift pictures, Bibliography, airstrokes

Swifts are the most aerial of birds. Larger species are amongst the fastest fliers in the animal kingdom, with the white-throated needletail having been reported flying at up to 169 km/h (105 mph).[6] Even the common swift can cruise at a maximum speed of 31 metres per second (112 km/h, 70 mph). In a single year the common swift can cover at least 200,000 km

Swift - Apus apus and friends. Std versions 70 mph and mile/year.Variable geometry wings with rotation at base giving thrust and lift on up & down strokes.

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