James C. Ha
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View article: Emerging developments in China’s ship-induced oil pollution damage liability regime: a perspective from the revised draft of China’s maritime law
Emerging developments in China’s ship-induced oil pollution damage liability regime: a perspective from the revised draft of China’s maritime law Open
This article examines China’s evolving legal framework for ship-induced oil pollution damage liability system, focusing on the 2024 Draft Amendment to the Maritime Law . Historically, the development of this system in China has been achiev…
View article: Captive jays exhibit reduced problem-solving performance compared to wild conspecifics
Captive jays exhibit reduced problem-solving performance compared to wild conspecifics Open
Animal cognitive abilities are frequently quantified in strictly controlled settings, with laboratory-reared subjects. Results from these studies have merit for clarifying proximate mechanisms of performance and the potential upper limits …
View article: Spatial ecology of the Mariana Crow <i>Corvus kubaryi</i>: Implications for management strategies
Spatial ecology of the Mariana Crow <i>Corvus kubaryi</i>: Implications for management strategies Open
Summary Knowledge of species-specific spatial ecology is critical for applying appropriate management strategies to maximise conservation outcomes. We used radio-telemetry to describe spatial behaviour of the critically endangered, island-…
View article: Cryptic and extensive hybridization between ancient lineages of American crows
Cryptic and extensive hybridization between ancient lineages of American crows Open
Most species and therefore most hybrid zones have historically been described using phenotypic characters. However, both speciation and hybridization can occur with negligible morphological differentiation. The Northwestern Crow ( Corvus c…
View article: Evidence for personality conformity, not social niche specialization in social jays
Evidence for personality conformity, not social niche specialization in social jays Open
We often use the phrase “Birds of a feather flock together†to describe similar people that spend time together. But, is this true for birds? We find that in a species that lives in social groups individual personalities are more simila…
View article: Morphometrics in Developmental Neurobiology: Quantitative Analysis of Growth Cone Motility in Vivo
Morphometrics in Developmental Neurobiology: Quantitative Analysis of Growth Cone Motility in Vivo Open
In order for the nervous system to function properly, neurons in the brain must establish specific connections during embryonic development. Formation of neuronal circuits involves axons extending from cell bodies and navigating through di…
View article: Attitudes, knowledge and practices affecting the Critically Endangered Mariana crow <i>Corvus kubaryi</i> and its conservation on Rota, Mariana Islands
Attitudes, knowledge and practices affecting the Critically Endangered Mariana crow <i>Corvus kubaryi</i> and its conservation on Rota, Mariana Islands Open
The population of the Critically Endangered Mariana crow Corvus kubaryi on the island of Rota, Commonwealth of the Northern Marianas Islands, has decreased dramatically in recent years. It is unclear to what extent negative practices by pe…