Biology

Photo hunt – lizards, spiders and a snake

This post is featuring lizards and some of their food – spiders. Sorry for the blurry photos, I mostly only have my phone on me while encountering these beuatiful creatures. Not many times has it happened that I was on an intentional photo hunt with a proper camera and managed to find and catch something. …

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Biology

Photo hunt – butterflies

Some photos are a bit blurry, because I found some of these treasure while only carrying my phone, but I wanted to share all of my findings with you. Some of the photos are also not my own, they are courtesy of my dear, beautiful, talented friend (thank you, N.!).

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dolphin and fishery interactions
Biology environment

Dolphin series: fishery interactions

Fishing intensity keeps increasing throughout the world, which has negative impacts on nontarget species, including marine mammals. Thus bycatches have become a critical issue for marine mammal populations. Every year fishing industry removes about 80–90 million tons of fish and other marine organisms from the world’s oceans. Another 7–8 million tons of unwanted animal biomass …

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threats to dolphins
Biology environment

Threats to dolphins

Dolphin mortality results from both natural and anthropogenic causes. Natural causes include old age, failure to thrive as a calf, intra-specific agonistic interactions, predation, stingray wounds, disease, storms and biotoxins from harmful algal blooms such as red tides. Threats of human origin include entanglement in nets, entanglement in or ingestion of fishing gear, pollution, boat …

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Dolphin behaviour
Biology

Dolphin behaviour

To research dolphin behaviour we first have to ask the question: what is the problem the behavior has evolved to solve? The following is a list of some of the main problems: foraging: how to find, select, and process prey; predator avoidance or defense: the flip side of foraging from the prey’s point of view; …

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