Blue whale fluke 💙 🎥 : bluelifewild As the largest animals on Earth, blue whales rule the ocean at up to 110 feet (33 m) long and 209 tons (190 tonnes) 😮 | Ocean Conservation Research - OCR

Flukes Up! More phenomenal Blue Whale activity out there today!2️⃣2️⃣ Blue whale sightings today!!! (mostly 5 blues on each trip) Wait for that beautiful fluke at the end! 🐳✨🐳✨🐳 🎥: @oceanluvr4ever #bluewhale #bluewhaledanapoint | Dana Wharf Whale Watch

Good blue whale fluke with the sun shining on its back today in Dana Point! Video taken by Captain Mike Myers at Dana Wharf Whale Watching #bluewhalesofinstagram #bluewhale #danapoint #whalewatching #thingstodoorangecounty #natureinspired | Dana Wharf Whale Watch

Blue whale vocalizations are very low frequency sounds with some in the 15 Hz range. These tones characteristically travel long distances due to the high power, but also due to very long-wavelengths (over 300 feet for 15 Hz). This enables their songs to be heard thousands of miles from the source. We can assume that the projection distance is important (Nature can be extravagant, but she is never wasteful), but we can only speculate why they need to broadcast their songs across ocean basins. The