Whale Biology

Toxic Menus: Contaminants Threaten the Health of North Atlantic Killer Whales

By / / Whale Science / , , , ,

In a ground-breaking new study just published in Environmental Science & Technology, a disturbing picture of contamination among North Atlantic killer whales has emerged. Persistent organic contaminants (POPs), including polychlorinated biphenyls (PCBs), pesticides (DDTs, Chlordanes, etc.), and flame retardants, were detected at alarming levels in these apex marine predators. This study sheds light on the …

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Unlocking the Secrets of Female Common Dolphin Reproduction in New Zealand

By / / Whale Science / , ,

Understanding the life history of organisms helps us learn how they grow and develop traits that help them survive in their environment. It also reveals how vulnerable a population can be if certain behaviors and traits put them at risk of extinction. In our rapidly changing world, studying a species’ life history is important to …

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What secrets can we uncover from dead whales?

By / / Types of Whale Research /

The death of a whale can happen at sea or onshore if the animal beaches itself. Examining the dead whales can reveal many secrets like the cause of death, but also how a whale’s body works. In this post, we will explore the lesser-known area of cetacean research, post-mortem investigations, commonly known as necropsies. We …

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The award for the largest brain in the world goes to…

By / / Whale Science / , ,

The adult human brain weighs about 3 lbs, which is an incredible feat in it itself, as it is only supported by 7 vertebrae. But we really do not even come close to the biggest brain. One might think it belongs to the blue whale, as it is the largest animal on earth. One would …

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Scientists can now use the DNA of dolphins to know their age

By / / Types of Whale Research / , , ,

One of the most fundamental pieces of information about individuals (including dolphins) is their age. In biology studies, scientists need to know how old an animal is to understand many aspects of its life history and, for example, to estimate the viability of a population. But estimating an animal’s age is no easy feat when …

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Bros for life! Dolphin males can form life-long relationships with one another

By / / Whale Science / ,

Dolphin males can sometimes form life-long friendships with one another. This type of relationship is known in the field as “male pair bonds.” These bonds are typically formed between two males (sometimes three) of similar age. The males in the pair bond will engage in a range of cooperative activities, like hunting and courting females, …

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Science is a marathon: what long-term opportunistic data can tell us about New Zealand sperm whales

By / / Whale Science / , ,

We all have in mind these targeted and organized research projects, where scientists go into the field and collect specific data. But not everything in the scientific realm is as predictable as that. Some events, such as cetacean strandings, are unexpected and may only happen a few times per year. Still, there can be a …

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Got balls? Not like the Southern Right Whale!

By / / Whale Science / , ,

In our world, we say size does not matter. However, we find animals in the wild kingdom with various large parts: elephants have large trunks, baboons have oversized butts … and male southern right whales have massive testes. This article will explain the unique features of whales’ reproductive systems and explore the potential reasons for …

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