Whale songs' changing pitch may be response to population, climate changes

-
Blue whales have been dropping pitch incrementally over several decades, but the cause has remained a mystery. A new study finds a seasonal variation in the whales' pitch correlated with breaking sea ice in the southern Indian Ocean. The new research also extends the mysterious long-term falling pitch to related baleen whales and rules out noise pollution as the cause of the global long-term trend, according to the study's authors.

from Animals News -- ScienceDaily https://ift.tt/2zwNlgK

Comments

Post a Comment

Popular Posts

Interesting Raccoons and their intelligence under estimated

-
Image
Raccoons are known for their intelligence and adaptability, making them fascinating creatures. Here's an interesting fact about raccoons: they have incredibly dexterous front paws that function almost like human hands. Their front paws have a high level of sensitivity and are capable of grasping and manipulating objects with great precision. This adaptability allows raccoons to open doors, lids, and even manipulate simple tools. They are known to "wash" their food by dunking it in water before eating, a behavior that led to the misconception that raccoons always wash their food. In reality, they are just utilizing their sensitive paws to explore and handle objects in their environment. This unique trait contributes to the resourcefulness and problem-solving abilities that raccoons exhibit in various situations. Raccoons are known for their remarkable ability to open doors, especially in urban and suburban areas where they have learned to navigate human environ...
Read more

Interesting Mole

-
Image
Here are some fascinating facts about moles, the small mammals known for their underground lifestyle and unique adaptations: 1. **Subterranean Dwellers**: Moles are expert burrowers and spend the majority of their lives underground, creating intricate tunnel systems for foraging and nesting. 2. **Specialized Bodies**: Moles have specialized adaptations for digging, including powerful front limbs with large paws and sharp claws that allow them to excavate soil rapidly. 3. **Superb Sense of Smell**: Despite having tiny eyes and poor vision, moles possess a highly developed sense of smell, which they use to locate food such as earthworms, insects, and other invertebrates underground. 4. **Voracious Eaters**: Moles have a hearty appetite and can consume food equal to more than half their body weight in a single day, as they require a high-energy diet to sustain their constant digging activity. 5. **Efficient Tunnel Architects**: Moles construct elaborate tunnel networks that ca...
Read more