View allAll Photos Tagged Rivals
A little battle among friends ...
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Argiope bruennichi est une espèce d'araignées aranéomorphes de la famille des Araneidae.
En français elle est communément appelée Argiope frelon, Argiope rayée, Argiope fasciée.
Bien que son camouflage jaune et noir puisse laisser croire qu'il sert de protection vis-à-vis de prédateurs qui la prendraient pour un frelon, une étude a démontré que l'alternance des stries jaunes et noires sur le corps de cette espèce doublait en réalité le nombre de ses captures d'insectes en agissant comme leurre visuel rendant l'araignée moins visible pour ses proies, bien qu'au milieu de sa toile. L'Argiope présente un dimorphisme sexuel, le mâle étant plus petit et plus terne que la femelle.
Comme de nombreuses araignées très actives, Argiope bruennichi possède à la fois des poumons et des trachées.
Argiope bruennichi fait partie des espèces d'araignées pratiquant le cannibalisme sexuel systématique avec plus ou moins de succès et la polyandrie. Le mâle, au terme de l'accouplement, abandonne volontairement dans 80 % des cas son appareil copulateur ce qui diminue les chances d'un rival de féconder la même femelle et augmente ses chances de la fuir et de survivre après l'accouplement. Il semble que l'appareil génital des mâles de cette espèce soit particulièrement complexe, notamment du point de vue de la structure, qui n'est pas exclusivement destinée au transfert spermatique, mais semble également jouer un rôle important à la fois dans la sélection par la femelle de son partenaire et dans la capacité de fuite du mâle après copulation grâce à des points de rupture prédéterminés.
Après l'accouplement, la femelle pond rapidement 200 à 300 œufs dans un cocon blanc camouflé en brun, composé de soies de structures biochimiques différentes, suspendu dans les graminées peu au-dessus du sol. Les œufs hivernent à l'abri du gel.
Les jeunes araignées, après leur première mue, grimpent au sommet d'une brindille et filent un fil de soie, le fil de la Vierge, qui leur sert de voile et les emporte dans les airs.
Un insecte parasite, le Tromatobia ornata pond des œufs dans les cocons de l'Argiope bruennichi afin que ses larves se nourrissent des œufs de l'araignée.
Extraits de :
Red Deer (Cervus elaphus) / Obični jelen
Rarely I see one in wilderness, let alone three of them. Late spring, so no bad mood among them.
Thanks to everyone for your visiting, favs & comments :).
Single exposure, recomposed.
26 Sept 2022; 01:45 UTC; Velvia 338;69;14
Explore Spring Takeover 29 Mar 23; no.22
More interaction between the moose. See first comment for previous image.
Thanks so much to everyone who takes the time to view, like or comment on my photos!
© 2021 Craig Goettsch - All rights reserved. Any unauthorized use without permission is prohibited.
These snowy egrets are such territorial birds. I'm sure it's stressful for their little world, but its fun for me, as a human, to watch the squabbles.
Santa is back in Town and he sends out the best season greetings to all friends of little world and behind this miniatureworld. May this Holiday candlelights bring back some Love & Joy into the Hearts of us!
But stop! This year, Santa Claus has a rival in the precinct. Someone who does not want to miss the past summer and longs for the sun, beach and sea.
How do you feel about it? Do you still long for summer or are you ready for Christmas feelings ?
www.youtube.com/watch?v=TrHg-X2P-Hc
Thank you for visits, comments and favs!
Vielen Dank für Eure Besuche, Kommentare und Sternchen!
Please don't use this image on websites, blogs or other media without my explicit permission. © All rights reserved
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This stunning male was so busy chasing off rivals for his perch that when he return he sang right in front of me less that ten feet away. The light wasn't quite right but beggars and all that!
What looks like a dance here is actually the first in a series of images depicting rivalry between two Yellow-billed Storks. The altercation was not too serious, but the one on the right was driven away and the victor strutted off to its mate. I assume the rivals were two males. Captured at Sunset Dam in the Kruger National Park.
The series (eight images) is presented in the comment boxes and as individual posts.
© Gerda van Schalkwyk. All rights reserved. This photograph and all others on my photostream are protected by copyright and may not be used on any site, blog or forum, nor linked to without my permission.
Freightliner shed 66557 passing through Oakham station as the waiting motorists are treated to a two-wheel display
Wild ducks (Anas platyrhynchos) at a lake close to Munich.
Christian Schmaler © All rights reserved
Many thanks for visiting and commenting! :)
Pendant la saison de reproduction, le mâle défend vigoureusement son territoire, posé au sommet d’un perchoir exposé. Des disputes entre rivaux sont communes aux limites de chaque territoire.
NFS Rivals 2013, PC
3324x1870 (testing Nvidia DSR)
-ResolutionScale 2.0
-No Photoshop applied
-ReShade v1.1 (*added soft light)
Playful Rivals
American Bison
Custer State Park
South Dakota
August 2025
Custer State Park is home to nearly 1,500 bison, one of the largest herds in the country. Seeing them roam the rolling prairies feels like stepping back in time to the untamed American West.
A thrilling three-way battle between the world's top assassins: a highly skilled army officer, the elite of special forces; a seasoned FBI agent, renowned for unmatched combat expertise; and the CIA’s deadliest female assassin, known for her speed, precision, and flawless tactics.
Коварная медуза - иная цивилизация, олицетворение современной красоты.
В наше время натуральная красота не ценится. Появилось множество возможностей доводить своё тело до идеала!
Все стараются сделать из себя куклу Барби, делают инъекции ботоксом, вставляют силикон, различные диеты и процедуры, превращающие нас в искусстенных кукол.
В итоге наступит расплата! Природа будет мстить!
The insidious jellyfish is a different civilization, the embodiment of modern beauty.
In our time, natural beauty is not appreciated. There are many opportunities to bring your body to the ideal!
Everyone is trying to make a Barbie doll of yourself, botox injection, inserting silicone, various diets and procedures that turn us into artifical dolls.
So the payoff came!
Nature will avenge!
Green Hairstreak, Callophrys rubi.
Wing Span; 27-34mm.
Flight period; Primarily May – June, but can be seen from late March.
Habitat; Chalk grassland, woodland rides and clearings, heathland, moorland, bogs, railway cuttings, old quarries and rough, scrubby grassland. This species occurs on a wide range of soils but is strongly associated with scrub and shrubs.
Caterpillar Foodplants; Common Rock-rose (Helianthemum nummularium) and Common Bird's-foot-trefoil (Lotus corniculatus) are used on calcareous grassland, while Gorse (Ulex europeaus), Broom (Cytisus scoparius), and Dyer's Greenweed (Genista tinctoria) are used on heathland and other habitats. Bilberry (Vaccinium myrtillus) is used almost exclusively on moorland and throughout Scotland. Other foodplants include shrubs such as Dogwood (Cornus sanguinea), Buckthorn (Rhamnus cathartica), Cross-leaved Heath (Erica tetralix) and Bramble (Rubus fruticosus). In fact, they have the widest range of food plants of all the British butterfly species.
Distribution; Widespread throughout Britain and Ireland. However, it is absent from the Isle of Man, Outer Hebrides, Orkney and Shetland. Also found in most of mainland Europe as well as many parts of Asia and northern Africa.
Distribution Trend Since 1970’s; -30%
The Green Hairstreak holds its wings closed, except in flight, showing only the green underside with its faint white streak. The extent of this white marking is variable, frequently reduced to a few white dots and may be almost absent. Males and females look similar and are most readily told apart by their behaviour. Rival males may be seen in a spiralling flight close to shrubs, while the less conspicuous females are more often encountered while laying eggs.
Although this is a widespread species, it often occurs in small colonies and has undergone local losses in several regions.
This butterfly, the only green butterfly in the UK, is the most widespread of our Hairstreaks. However, it is also a local species, forming distinct colonies which can be as small as a few dozen individuals, although other colonies can be much larger. Both sexes always settle with their wings closed, the brown upper sides only ever being seen in flight. The undersides, by contrast, provide the illusion of being green, an effect produced by the diffraction of light on a lattice-like structure found within the wing scales. This provides excellent camouflage as the butterfly rests on a favourite perch, such as a Hawthorn branch. This butterfly will also regulate its body temperature by tilting its wings appropriately to catch the sun's rays. This butterfly is found throughout the British Isles, partly due to the wide variety of food plants it uses and the wide range of habitats it frequents.
Males are territorial, and during the Spring will wait at their selected perching sites for a female to appear. This species has just a single brood and following mating, the females will lay their green coloured eggs singly. The eggs will hatch a week later and the young caterpillars, which are green with black markings along their backs, will feed immediately and develop rapidly. During the Summer, the caterpillars will travel to ground level to pupate and spend the Winter in the leaf litter. The following Spring the new butterflies will emerge.
Chicago & North Western F7A 417 brings commuter train 711 under rival Milwaukee Road at Richmond, Ill. on May 26, 1979. At the time the track overhead still hosted commuter trains to Walworth, Wis. It now belongs to Wisconsin & Southern.