thinkoholic.com - a blog by markus nolf

Archive for the ‘nature’ Category

[posted: Thursday, 2009-01-29] [category: nature, video]

the superb lyrebird (menura novaehollandiae) is one of two australian bird species with an incredible ability: they can mimic sounds so well that it’s hard to tell the difference from the original.
see for yourself:

the most fascinating part starts around 02:00.

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[posted: Wednesday, 2009-01-28] [category: nature, photo] [tags: ]
spanish fir (abies pinsapo), leaves radially all around the shoots, very stiff, with a blue-green hue on the upper side

woody perennials and buds, part 3 of 3 is concerned with conifers.
altogether, nearly all of the native woody perennials can be identified without greater difficulty, once you’re acquainted with the matter.

[view photos: woody perennials and buds - conifers]

oriental arborvitae (biota orientalis)

gehölze und knospen, der letzte teil enthält einige nadelhölzer.
alles in allem sind fast alle heimischen gehölze, wenn man erst einmal eingearbeitet ist, problemlos auch ohne blätter oder blüten bestimmbar.

[view photos: gehölze und ihre knospen - nadelgehölze]

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[posted: Tuesday, 2009-01-27] [category: in german, nature, photo] [tags: ]
common maple (acer campestre), twig with opposite buds

part two of my twig- and bud-photos is here: woody plants with opposite foliage.
this album also features a juxtaposition of 5 fruits of different species of maple (acer sp.) that can be found where i live: sycamore maple (acer pseudoplatanus), norway maple (acer platanoides), box elder (acer negundo), field maple (acer campestre) and tatarian maple (acer tataricum).

[view photos: woody perennials and buds - opposite foliage]

fruits of acer negundo, acer pseudoplatanus, acer platanoides, acer campestre and acer tataricum

teil zwei meiner zweige- und knospenfotos ist hier: holzige pflanzen mit gegenständiger beblätterung.
dieses album beinhaltet ausserdem eine gegenüberstellung von früchten von 5 ahorn-arten (acer sp.) die hierzulande wachsen: berg-ahorn (acer pseudoplatanus), spitz-ahorn (acer platanoides), eschen-ahorn (acer negundo), feld-ahorn (acer campestre) und tatarischer steppen-ahorn (acer tataricum).

[view photos: gehölze und ihre knospen - gegenständige beblätterung]

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[posted: Monday, 2009-01-26] [category: in german, nature, photo] [tags: ]
plane tree (platanus acerifolia), axillary bud, buds longitudinally furrowed

this semester, i was in a botanical class that’s concerned with ligneous plants and recognizing them only through their habitus and buds.
i’ve assembled some of the photos from this course, most which were taken under pressure of time. they have only been hastily photoshopped, so please excuse the quality and varying backgrounds.

along with all the species listed, i’ve included some of the most striking characteristics.

part one (alternate foliage) is online now.

[view photos: woody perennials and buds - alternate foliage]

green alder (alnus viridis): twigs with alternate buds

dieses semester belegte ich unter anderem ein botanisches praktikum zum bestimmen von gehölzpflanzen anhand von habitus und knospen.
hier sind einige der fotos zusammengestellt. die meisten wurden unter zeitdruck gemacht und sind nur flüchtig nachbearbeitet – ich bitte daher, die qualität und tw. wechselnden hintergründe zu entschuldigen.

zu jeder art sind ausserdem einige der auffallendsten merkmale genannt.

teil 1 (wechselständige) ist ab sofort online.

[view photos: gehölze und ihre knospen - wechselständige beblätterung]

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[posted: Monday, 2009-01-19] [category: bats, general]

my friend chiara is an incredibly talented comic-strip artist.

this drawing of my “bat taxi” was part of a thank-you card for a period of car-pooling (referring to the bat sticker on the back of my car, or to my bat-related activities. or both.).

bat taxi
bat taxi, comic by chiara

[more...]

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[posted: Sunday, 2009-01-18] [category: nature] [tags: ]

looks like it’s going to be a good year for the kakapo, one of the rarest birds in the world:

At least one fertile kakapo egg has been laid on Codfish Island, signalling the start of the kakapo breeding season.
Two more eggs have also been laid by the kakapo named Lisa, but their fertility has not yet been confirmed.

source: odt.co.nz

One of the world’s most endangered birds, the kakapo, could number more than 100 by the end of this year.
This will be a milestone which hasn’t been reached for more than 20 years.

source: tvnz.co.nz
 

meanwhile, the filming for bbc’s new “last chance to see” tv series has ended in new zealand, and stephen fry has posted two video messages, titled “beware of kakapo attacks” (he shows part of the main hut and …more) and “the fattest and largest parrot” (including some actual kakapo footage).
(you’ll either need a british ip address or a UK based proxy server to watch.)

update: the bbc has also just released the episode “ralph, the fragrant parrot of codfish island” from the original 1989 bbc radio series “last chance to see”. again, british proxy required to listen.

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[posted: Friday, 2009-01-16] [category: nature]

some time ago, a friend from university mentioned that he had seen the most ridiculously-looking fish on tv: the ocean sunfish (mola mola, german: mondfisch).
after describing it as “the front half of an ordinary fish”, he drew me a sketch of one, so i could imagine what it looked like:

jürgen draws an ocean sunfish
jürgen draws an ocean sunfish
 

sketch of an ocean sunfish
sketch of an ocean sunfish

[more...]

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