Forrest I. Townsend
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View article: Life history, reproductive, and demographic parameters for bottlenose dolphins (Tursiops truncatus) in Sarasota Bay, Florida
Life history, reproductive, and demographic parameters for bottlenose dolphins (Tursiops truncatus) in Sarasota Bay, Florida Open
Studies of the resident community of bottlenose dolphins ( Tursiops truncatus ) of Sarasota Bay, Florida, have been conducted for more than 50 years. Detailed histories have been collected for resident individuals through integrated observ…
View article: Using Blood Gas Analysis and Capnography to Determine Oxygenation Status in Bottlenose Dolphins (Tursiops truncatus) Following the Deepwater Horizon Oil Spill
Using Blood Gas Analysis and Capnography to Determine Oxygenation Status in Bottlenose Dolphins (Tursiops truncatus) Following the Deepwater Horizon Oil Spill Open
Following the Deepwater Horizon (DWH) oil spill in 2010, poor pulmonary health and reproductive failure in bottlenose dolphins (Tursiops truncatus) in the northern Gulf of Mexico were well-documented. One postulated etiology for the increa…
View article: A review of animal and human health concerns during capture-release, handling and tagging of odontocetes
A review of animal and human health concerns during capture-release, handling and tagging of odontocetes Open
The capture-release of odontocetes allows for tag deployment which provides an opportunity to study behaviour and habitat use by free-ranging animals, as well as clinical assessment of the animal and tissue collection. This review recognis…
View article: An expert‐based system to predict population survival rate from health data
An expert‐based system to predict population survival rate from health data Open
Timely detection and understanding of causes for population decline are essential for effective wildlife management and conservation. Assessing trends in population size has been the standard approach, but we propose that monitoring popula…
View article: Poor pulmonary health in Barataria Bay dolphins in the eight years following the Deepwater Horizon oil spill
Poor pulmonary health in Barataria Bay dolphins in the eight years following the Deepwater Horizon oil spill Open
The Deepwater Horizon (DWH) disaster resulted in large-scale contamination of bays, sounds, and estuaries in the northern Gulf of Mexico, home to multiple stocks of common bottlenose dolphins (Tursiops truncatus). Inhalation, aspiration, i…
View article: Modeling population effects of the <i>Deepwater Horizon</i> oil spill on a long‐lived species
Modeling population effects of the <i>Deepwater Horizon</i> oil spill on a long‐lived species Open
The 2010 Deepwater Horizon (DWH) oil spill exposed common bottlenose dolphins ( Tursiops truncatus ) in Barataria Bay, Louisiana to heavy oiling that caused increased mortality and chronic disease and impaired reproduction in surviving dol…
View article: Interaction between dietary and habitat niche breadth influences cetacean vulnerability to environmental disturbance
Interaction between dietary and habitat niche breadth influences cetacean vulnerability to environmental disturbance Open
Ecosystems are experiencing elevated levels of disturbance, and species with narrower niches are often more vulnerable to disturbances. Niche breadth is often measured in terms of either diet or habitat use but diet and spatial use are inf…
View article: Bartonella species detection in captive, stranded and free-ranging cetaceans
Bartonella species detection in captive, stranded and free-ranging cetaceans Open
We present prevalence of
View article: Marine Mammals and Respiration: Evidence of Poor Pulmonary Health in Bottlenose Dolphins Following the Deepwater Horizon Oil Spill
Marine Mammals and Respiration: Evidence of Poor Pulmonary Health in Bottlenose Dolphins Following the Deepwater Horizon Oil Spill Open
The Deepwater Horizon (DWH) disaster resulted in large-scale contamination of bays, sounds, and estuaries in the northern Gulf of Mexico (GoM), home to multiple stocks of bottlenose dolphins. Inhalation, direct aspiration, ingestion with s…
View article: Age determination of common bottlenose dolphins (Tursiops truncatus) using dental radiography pulp:tooth area ratio measurements
Age determination of common bottlenose dolphins (Tursiops truncatus) using dental radiography pulp:tooth area ratio measurements Open
Age is an important parameter to better understand wildlife populations, and is especially relevant for interpreting data for fecundity, health, and survival assessments. Estimating ages for marine mammals presents a particular challenge d…
View article: Standardization of Dolphin Cardiac Auscultation and Characterization of Heart Murmurs in Managed and Free-Ranging Bottlenose Dolphins (Tursiops truncatus)
Standardization of Dolphin Cardiac Auscultation and Characterization of Heart Murmurs in Managed and Free-Ranging Bottlenose Dolphins (Tursiops truncatus) Open
Cardiac auscultation is an important, albeit underutilized tool in aquatic animal medicine due to the many challenges associated with in-water examinations. The aims of this prospective study were to (1) establish an efficient and repeatab…
View article: Health Assessments of Common Bottlenose Dolphins (Tursiops truncatus): Past, Present, and Potential Conservation Applications
Health Assessments of Common Bottlenose Dolphins (Tursiops truncatus): Past, Present, and Potential Conservation Applications Open
The common bottlenose dolphin (Tursiops truncatus) is a global marine mammal species for which some populations, due to their coastal accessibility, have been monitored diligently by scientists for decades. Health assessment examina…
View article: Blubber steroid hormone profiles as indicators of physiological state in free-ranging common bottlenose dolphins (Tursiops truncatus)
Blubber steroid hormone profiles as indicators of physiological state in free-ranging common bottlenose dolphins (Tursiops truncatus) Open
View article: Scalpel blade contamination and risk of postoperative surgical site infection following abdominal incisions in dogs
Scalpel blade contamination and risk of postoperative surgical site infection following abdominal incisions in dogs Open
View article: Best practice guidelines for cetacean tagging
Best practice guidelines for cetacean tagging Open
Animal-borne electronic instruments (tags) are valuable tools for collecting information on cetacean physiology, behaviour and ecology, and forenhancing conservation and management policies for cetacean populations. Tags allow researchers …
View article: Ranging patterns, spatial overlap, and association with dolphin morbillivirus exposure in common bottlenose dolphins <i>(Tursiops truncatus)</i> along the Georgia, USA coast
Ranging patterns, spatial overlap, and association with dolphin morbillivirus exposure in common bottlenose dolphins <i>(Tursiops truncatus)</i> along the Georgia, USA coast Open
During 2013–2015, an outbreak of dolphin morbillivirus (DMV) occurred in the western North Atlantic, which resulted in the stranding of over 1,600 common bottlenose dolphins (Tursiops truncatus) . There are currently five coastal and 10 ba…
View article: A field effort to capture critically endangered vaquitas Phocoena sinus for protection from entanglement in illegal gillnets
A field effort to capture critically endangered vaquitas Phocoena sinus for protection from entanglement in illegal gillnets Open
In 2017 an emergency field effort was undertaken in an attempt to prevent the extinction of the world’s most endangered marine mammal, the vaquita Phocoena sinus. The rescue effort involved 90 experts from 9 countries and cost US$ 5 millio…
View article: Persistent organic pollutants (POPs) in blood and blubber of common bottlenose dolphins (Tursiops truncatus) at three northern Gulf of Mexico sites following the Deepwater Horizon oil spill
Persistent organic pollutants (POPs) in blood and blubber of common bottlenose dolphins (Tursiops truncatus) at three northern Gulf of Mexico sites following the Deepwater Horizon oil spill Open
View article: Evaluation of Serum for Pathophysiological Effects of Prolonged Low Salinity Water Exposure in Displaced Bottlenose Dolphins (Tursiops truncatus)
Evaluation of Serum for Pathophysiological Effects of Prolonged Low Salinity Water Exposure in Displaced Bottlenose Dolphins (Tursiops truncatus) Open
We conducted a retrospective study of serum biochemistry and hematologic findings from displaced, out-of-habitat bottlenose dolphins (Tursiops truncatus) exposed to various low salinity environments in waters along the southern Unit…
View article: Changes in immune functions in bottlenose dolphins in the northern Gulf of Mexico associated with the Deepwater Horizon oil spill
Changes in immune functions in bottlenose dolphins in the northern Gulf of Mexico associated with the Deepwater Horizon oil spill Open
Following the Deepwater Horizon (DWH) oil spill, the Natural Resource Damage Assessment conducted comprehensive health assessments on common bottlenose dolphins Tursiops truncatus in Barataria Bay (BB), Louisiana, in 2011, 2013 and 2014, a…
View article: Reproductive outcome and survival of common bottlenose dolphins sampled in Barataria Bay, Louisiana, USA, following the<i>Deepwater Horizon</i>oil spill
Reproductive outcome and survival of common bottlenose dolphins sampled in Barataria Bay, Louisiana, USA, following the<i>Deepwater Horizon</i>oil spill Open
Common bottlenose dolphins ( Tursiops truncatus ) inhabit bays, sounds and estuaries across the Gulf of Mexico. Following the Deepwater Horizon oil spill, studies were initiated to assess potential effects on these ecologically important a…