Wildlife Acoustics Bloggers

Nicole Wright

Male Birds Sing for Their Fertile Female Neighbors Too: A Song Meter Case Study

Male Birds Sing for Their Fertile Female Neighbors Too: A Song Meter Case Study

While most bird studies on sexual signaling have focused on between-pair interactions, Conor Taff has instead looked outward.

Taff, whose research has just been published in Proceedings of the Royal Society B, deployed 5 song meters across multiple territories to study male calling behavior in relation to the fertility of female birds in neighboring territories. His findings suggest that birds' sexual signaling behavior is much more complex than we may have thought.

Taff’s paper, Fluctuations in Neighbourhood Fertility Generate Variable Signalling Effort, discusses how male common yellowthroats adjust song production in response to changes not only in within-pair social contexts, but also to changes in the fertility of neighboring females up to 400 meters away.

Listening for Signs of Life: A case study on using acoustic monitoring to assess remote seabird populations

Biologist Luke Halpin

Biologist Luke Halpin:

“My research takes place in Gwaii Haanas National Park Reserve, National Marine Conservation Area Reserve and Haida. Heritage Site in Haida Gwaii, an island archipelago off the west coast of British Columbia, 80km west of Prince Rupert. Haida Gwaii is home to 1.5 million breeding seabirds, including 50% of the global Ancient Murrelet population and large nesting populations of several other seabird species. Haida Gwaii is the only breeding location for Ancient Murrelets in Canada.

On Haida Gwaii, invasive rats are a major threat to the conservation of these seabird populations. In 2010, Gwaii Haanas National Park Reserve and Haida Heritage Site began a large rat-eradication project called Night Birds Returning (SGin Xaana Sdiihltl’lxa, in the Haida Language) on a number of islands. As a component of this project, I used Song Meters to explore presence and relative abundance of four seabird species on rat-infested and rat-free islands. The species I examined, in collaboration with Dr Carita Bergman, Terrestrial Ecologist in the Parks Canada Agency, includes Ancient Murrelets Synthliboramphus antiquus, Cassin’s Auklets Ptychoramphus aleuticus, Fork-tailed Storm-Petrels Oceanodroma furcata and Leach’s Storm-Petrels Oceanodroma leucorhoa."

Research Process

“I used the Song Meter acoustic data to assess the effect of rat presence on relative abundance of these nocturnal seabirds. I examined relative abundance and the seasonal colony attendance period from presence and absence data derived from the Song Meter acoustic recordings.

Do you need a GPS for your SMZC? Maybe not.

Do you need a GPS for your SMZC? Maybe not.

Our new Song Meter SMZC was created to be our most lightweight and affordable product, without compromising deployment time (it records up to 50 nights).

It was not designed to have every feature a bat detector could have, but rather to have the most practical features for its size and price.

So you may be wondering why the GPS receiver is only an option.

Wildlife Acoustics is proud to support wildlife conservation efforts

Merlin Tuttle's Bat Conservation Bat Conservation International Bat Conservation Trust Wildlife Habitat Counsil