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前往 Wikipedia 查看全部内容Island gigantism - Wikipedia
Island gigantism, or insular gigantism, is a biological phenomenon in which the size of an animal species isolated on an island increases dramatically in comparison to its mainland relatives. Island gigantism is one aspect of the more general "island effect" or "Foster's rule", which posits that when mainland animals colonize … 展开
Large mammalian carnivores are often absent on islands because of insufficient range or difficulties in over-water dispersal. In their absence, the 展开
CC-BY-SA 许可证中的维基百科文本 The evolution and ecology of gigantism in terror birds …
2024年4月24日 · Phorusrhacids (Cariamiformes, Phorusrhacidae), commonly known as ‘terror birds’, are a group of extinct Cenozoic birds with specialized predatory adaptations, several of which have no modern analogues. These …
Gigantism and Its Implications for the History of Life - PMC
First, some marine mammals are exceptionally large despite their inefficient breathing and short necks. Second, neither the respiratory nor the chewing constraints apply to birds; yet no …
10 Fascinating Cases Of Animal Gigantism - Listverse
- Humans are easily frightened by the tiniest animals: Cockroaches, spiders, and mice seem specifically designed to scare the bejeezus out of us. Some grown men would even prefer to wrestle a bear or take on a pack of coyotes than let a mouse run up the leg of their pants. These men should probably avoid the island of Flores, Indonesia. It’s home to ...
- 预计阅读时间：10 分钟
- 发布日期: 2013年11月8日
The island rule explains consistent patterns of body size evolution …
2021年4月15日 · Island faunas can be characterized by gigantism in small animals and dwarfism in large animals, but the extent to which this so-called ‘island rule’ provides a general …
- 作者: Ana Benítez-López, Ana Benítez-López, Luca Santini, Luca Santini, Luca Santini, Juan Gallego-Zamoran...
- Publish Year: 2021
Terror birds (Aves, Phorusrhacidae) were large flightless apex predators in South America during the Cenozoic. Here, we estimate a new phylogeny for phorusrhacids using Bayesian …
The ‘island rule’ in birds: medium body size and its ecological ...
2002年7月7日 · Overall, our results show that the island rule is valid for both body size and bill length in birds and that, in addition to feeding ecology, insular shifts in the level of intraspecific …
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The island syndrome: Current Biology - Cell Press
2020年4月20日 · The relative rarity of fires on islands has induced the loss of an extra-thick, fire-resisting bark or fire-adapted fruits or cones. As in animals, island life can induce both gigantism and dwarfism in plants.
Mitogenomic evidence of close relationships between New …
2019年5月1日 · Our study provides evidence of rapid evolution of island gigantism in New Zealand’s extinct birds of prey. Early Pleistocene climate and environmental changes were …
Confirmed: Island gigantism and dwarfism result of ... - ScienceDaily
2021年4月15日 · Researchers solved this debate by analysing thousands of vertebrate species. They show that the island rule effects are widespread in mammals, birds and reptiles, but less …
