Kazuhiko Hosaka
Biographic Data
| ID | 3073424 |
|---|---|
| NAME | Kazuhiko Hosaka |
| GIVEN NAMES | Kazuhiko |
| FAMILY NAME | Hosaka |
| SIGNATURE | HOSAKA K |
| AFFILIATIONS | Kamakura Women's University |
| VERIFIED | No |
| TOTAL WORKS | 18 |
| TOTAL CITATIONS | 34 |
| AUTHOR COUNT | 18 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 1994 |
| LATEST PUBLICATION YEAR | 2024 |
| H-INDEX | 3 |
Seasonal hunting for red colobus monkeys by Mahale chimpanzees
With the spread of red colobus hunting by Mahale chimpanzees after the 1990s, hunting became more concentrated from August to October when the party size of chimpanzees increased. In particular, infant red colobus monkeys seemed to be caught more frequently from July to September compared to other age-group prey
Male chimpanzee age affects red colobus monkey hunting success
We used data collected from 1976 to 2010 in Mahale, Tanzania, to explore longitudinal changes in red colobus hunting throughout the life histories of individual male chimpanzees. The relative frequency (z-scores) of successful red colobus hunts by male chimpanzees exhibited an inverted U-shaped distribution with age. Hunting success increases when males are between 8–20 years old. Males in adulthood (20–35 years of age) made the highest number of…
MWCS under Covid-19 crisis
Current status of research and conservation in the Mahale Mountains National Park in the first year of the Covid-19 pandemic
Longitudinal changes in the targets of chimpanzee (Pan troglodytes) hunts at Mahale Mountains National Park
Tackling the Covid-19 crisis to create a new era for chimpanzee research and conservation
Wild chimpanzees deprived a leopard of its kill
Brief Communication
If a social‐living animal has a long life span, permitting different generations to co‐exist within a social group, as is the case in many primate species, it can be beneficial for a parent to continue to support its weaned offspring to increase the latter's survival and/or reproductive success. Chimpanzees have an even longer period of dependence on their mothers' milk than do humans, and consequently, offspring younger than 4.5–5 years old cann…
Ranging behavior of Mahale chimpanzees
Obituary
Prevalence of muzzle-rubbing and hand-rubbing behavior in wild chimpanzees in Mahale Mountains National Park, Tanzania
Sniffing behaviors in Mahale chimpanzees
Extraordinarily low bone mineral density in an old female chimpanzee (Pan troglodytes schweinfurthii) from the Mahale Mountains National Park
Demography, female life history, and reproductive profiles among the chimpanzees of Mahale
Demography provides critical data to increase our understanding of the evolution, ecology, and conservation of primate populations. The chimpanzees of the Mahale Mountains National Park, Tanzania, have been studied for more than 34 yr on the basis of individual identification and standardized attendance records. From this long‐term study, we derived the following demographic data: The major cause of death was disease (48%), followed by senescence…
The Four Chimpanzee Skulls Collected in the Mahale Mountains, Tanzania
Morphological and osteological data taken from chimpanzee skeletal materials gathered at chimpanzee research sites are accompanied by life history data (e.g. diet, environment of habitat, sexual activity and social relationship). Unfortunately morphological and osteological studies of chimpanzee skeletal remains from long-term field research projects are rare (Yasui and Takahata, 1983, an infant of P. t. schweinfurthii from Mahale mountains Natio…
Factors Affecting Party Size in Chimpanzees of the Mahale Mountains
A within-group gang attack on a young adult male chimpanzee
The fate of defeated alpha male chimpanzees in relation to their social networks
Factors Affecting Party Size in Chimpanzees of the Mahale Mountains
Wild chimpanzees deprived a leopard of its kill
Brief Communication
If a social‐living animal has a long life span, permitting different generations to co‐exist within a social group, as is the case in many primate species, it can be beneficial for a parent to continue to support its weaned offspring to increase the latter's survival and/or reproductive success. Chimpanzees have an even longer period of dependence on their mothers' milk than do humans, and consequently, offspring younger than 4.5–5 years old cann…
The Four Chimpanzee Skulls Collected in the Mahale Mountains, Tanzania
Morphological and osteological data taken from chimpanzee skeletal materials gathered at chimpanzee research sites are accompanied by life history data (e.g. diet, environment of habitat, sexual activity and social relationship). Unfortunately morphological and osteological studies of chimpanzee skeletal remains from long-term field research projects are rare (Yasui and Takahata, 1983, an infant of P. t. schweinfurthii from Mahale mountains Natio…
The fate of defeated alpha male chimpanzees in relation to their social networks
A within-group gang attack on a young adult male chimpanzee
Factors Affecting Party Size in Chimpanzees of the Mahale Mountains
The Four Chimpanzee Skulls Collected in the Mahale Mountains, Tanzania
Morphological and osteological data taken from chimpanzee skeletal materials gathered at chimpanzee research sites are accompanied by life history data (e.g. diet, environment of habitat, sexual activity and social relationship). Unfortunately morphological and osteological studies of chimpanzee skeletal remains from long-term field research projects are rare (Yasui and Takahata, 1983, an infant of P. t. schweinfurthii from Mahale mountains Natio…
Extraordinarily low bone mineral density in an old female chimpanzee (Pan troglodytes schweinfurthii) from the Mahale Mountains National Park
Demography, female life history, and reproductive profiles among the chimpanzees of Mahale
Demography provides critical data to increase our understanding of the evolution, ecology, and conservation of primate populations. The chimpanzees of the Mahale Mountains National Park, Tanzania, have been studied for more than 34 yr on the basis of individual identification and standardized attendance records. From this long‐term study, we derived the following demographic data: The major cause of death was disease (48%), followed by senescence…
Sniffing behaviors in Mahale chimpanzees
Prevalence of muzzle-rubbing and hand-rubbing behavior in wild chimpanzees in Mahale Mountains National Park, Tanzania
Obituary
Ranging behavior of Mahale chimpanzees
Brief Communication
If a social‐living animal has a long life span, permitting different generations to co‐exist within a social group, as is the case in many primate species, it can be beneficial for a parent to continue to support its weaned offspring to increase the latter's survival and/or reproductive success. Chimpanzees have an even longer period of dependence on their mothers' milk than do humans, and consequently, offspring younger than 4.5–5 years old cann…
Wild chimpanzees deprived a leopard of its kill
Longitudinal changes in the targets of chimpanzee (Pan troglodytes) hunts at Mahale Mountains National Park
Tackling the Covid-19 crisis to create a new era for chimpanzee research and conservation
Current status of research and conservation in the Mahale Mountains National Park in the first year of the Covid-19 pandemic
MWCS under Covid-19 crisis
Seasonal hunting for red colobus monkeys by Mahale chimpanzees
With the spread of red colobus hunting by Mahale chimpanzees after the 1990s, hunting became more concentrated from August to October when the party size of chimpanzees increased. In particular, infant red colobus monkeys seemed to be caught more frequently from July to September compared to other age-group prey
Male chimpanzee age affects red colobus monkey hunting success
We used data collected from 1976 to 2010 in Mahale, Tanzania, to explore longitudinal changes in red colobus hunting throughout the life histories of individual male chimpanzees. The relative frequency (z-scores) of successful red colobus hunts by male chimpanzees exhibited an inverted U-shaped distribution with age. Hunting success increases when males are between 8–20 years old. Males in adulthood (20–35 years of age) made the highest number of…
Biology (17 works) · Primate Behavior and Ecology (15 works) · Zoology (11 works) · Animal ecology (9 works) · Geography (9 works) · Animal Behavior and Reproduction (8 works) · Demography (8 works) · Ecology (8 works) · National park (7 works) · Tanzania (7 works)