ecology – Sivu 4

2026-01-27 @ 18.39.41 ∈ In English

Harvestmen arachnids apparently use fluorescent patterns for species recognition

Five closely related species show species-specific, strongly fluorescent structures on their backs that become especially visible under ultraviolet light. The results suggest that these patterns serve for species recognition—particularly at dusk and in moonlight.

2025-12-13 @ 18.37.03 ∈ Suomeksi

Turku rakensi niittyjä – uhanalainen perhonen saapui kaupunkiin

[Esimerkiksi] vuonna 2023 rakennetun uuselinympäristön alueelta löytyi kolme harvinaista perhoslajia: uhanalaiset juurilasisiipi ja neidonkielikoisa sekä silmällä pidettävä maitenunnakoi.

2025-11-24 @ 17.31.39 ∈ In English

Just ten species make up almost half the weight of all wild mammals on Earth

A small number of species dominate the distribution of wild mammal biomass.

2025-11-12 @ 16.37.37 ∈ In English

Shouting at seagulls could stop them stealing your food, research shows

Shouting at seagulls makes them more likely to leave your food alone, research shows. The paper, “Herring gulls respond to the acoustic properties of men’s voices,” is published in Biology Letters.

2025-11-11 @ 14.14.14 ∈ In English

Tropical spiders craft giant doppelgängers as decoys

Researchers believe the "decoy spider" serves a dual purpose. It may mimic a larger predator that birds, lizards, and other enemies would prefer to avoid, while also creating a diversion, drawing an attack away from the smaller, real spider.

2025-11-05 @ 18.54.09 ∈ In English

World’s biggest spiderweb discovered inside ‘Sulfur Cave’ with 111,000 arachnids living in pitch black

A giant colonial spiderweb in a sulfuric cave on the border between Greece and Albania may be the largest ever found[.]

2025-11-02 @ 15.45.56 ∈ Suomeksi

Kaupunkioraville tehtiin älykkyystesti Oulussa: ihmisten ja koirien läsnäolo saa pörröhännän pasmat sekaisin

Tulokset osoittavat, että cityorava selviytyy ruoan hankkimiseen liittyvistä ongelmanratkaisutehtävistä sitä heikommin, mitä enemmän ihmisiä on ympärillä. Lähellä sijaitseva leikkipuisto sai oravien pasmat erityisen pahasti sekaisin.

2025-10-28 @ 17.02.10 ∈ In English

Caught on camera: Rats snatching bats from the sky at city hibernation sites

For the first time, brown rats have been filmed actively hunting bats, snatching some from the air and capturing others on the ground. The rodents were caught on camera at bat hibernation sites in northern Germany.

2025-10-22 @ 14.04.11 ∈ In English

Mosquitoes found in Iceland

Three mosquitoes of the species Culiseta annulata were found in Iceland last week, after Björn Hjaltason of Kiðafell in Kjós noticed them in his garden.

2025-10-21 @ 17.39.13 ∈ In English

What goes up must come down: The ‘universal thermal performance curve’ that shackles evolution

Crucially, the new UTPC shows that as all organisms warm, performance slowly increases until they reach an optimum (where performance is greatest), but then, with further warming, performance quickly declines.