A review of impacts of marine dredging activities on marine mammals

VLG Todd, IB Todd, JC Gardiner… - ICES Journal of …, 2015 - academic.oup.com
Marine dredging is an excavation activity carried out worldwide by many industries. Concern
about the impact dredging has on marine life, including marine mammals (cetaceans …

Studying the behaviour and sensory ecology of marine mammals using acoustic recording tags: a review

M Johnson, NA de Soto, PT Madsen - Marine Ecology Progress Series, 2009 - int-res.com
Many marine animals use sound passively or actively for communication, foraging, predator
avoidance, navigation, and to sense their environment. The advent of acoustic recording …

Beaked whales echolocate on prey

M Johnson, PT Madsen… - … of the Royal …, 2004 - royalsocietypublishing.org
Beaked whales (Cetacea: Ziphiidea) of the genera Ziphius and Mesoplodon are so difficult
to study that they are mostly known from strandings. How these elusive toothed whales use …

Communication and acoustic behavior of dolphins and whales

PL Tyack, CW Clark - Hearing by whales and dolphins, 2000 - Springer
About 70 million years ago, the terrestrial ancestors of whales and dolphins reentered the
ocean where life originally began. Not only did this require dramatic shifts in locomotion for …

Sperm whale behaviour indicates the use of echolocation click buzzes 'creaks' in prey capture

PJO Miller, MP Johnson… - Proceedings of the …, 2004 - royalsocietypublishing.org
During foraging dives, sperm whales (Physeter macrocephalus) produce long series of
regular clicks at 0.5–2 s intervals interspersed with rapid–click buzzes called 'creaks' …

Biosonar performance of foraging beaked whales (Mesoplodon densirostris)

PT Madsen, M Johnson, NA De Soto… - Journal of …, 2005 - journals.biologists.com
Toothed whales (Cetacea, odontoceti) emit sound pulses to probe their surroundings by
active echolocation. Non-invasive, acoustic Dtags were placed on deep-diving Blainville's …

Foraging Blainville's beaked whales (Mesoplodon densirostris)produce distinct click types matched to different phases of echolocation

M Johnson, PT Madsen, WMX Zimmer… - Journal of …, 2006 - journals.biologists.com
Blainville's beaked whales (Mesoplodon densirostris Blainville) echolocate for prey during
deep foraging dives. Here we use acoustic tags to demonstrate that these whales, in …

Male sperm whale (Physeter macrocephalus) acoustics in a high-latitude habitat: implications for echolocation and communication

P Madsen, M Wahlberg, B Møhl - Behavioral Ecology and Sociobiology, 2002 - Springer
Sperm whales (Physeter macrocephalus) are deep-diving predators foraging in meso-and
bathypelagic ecosystems off the continental shelves. To investigate the ecophysiological …

Diel echolocation activity of harbour porpoises (Phocoena phocoena) around North Sea offshore gas installations

VLG Todd, WD Pearse, NC Tregenza… - ICES Journal of …, 2009 - academic.oup.com
Abstract Todd, VLG, Pearse, WD, Tregenza, NC, Lepper, PA, and Todd, IB 2009. Diel
echolocation activity of harbour porpoises (Phocoena phocoena) around North Sea offshore …

Predation by killer whales (Orcinus orca) and the evolution of whistle loss and narrow‐band high frequency clicks in odontocetes

T Morisaka, RC Connor - Journal of evolutionary biology, 2007 - academic.oup.com
A disparate selection of toothed whales (Odontoceti) share striking features of their acoustic
repertoires including the absence of whistles and high frequency but weak (low peak‐to …