Results 81 to 90 of about 30,050 (310)

Humans are not unique: difficult birth is common in placental mammals

open access: yesBiological Reviews, EarlyView.
ABSTRACT Human childbirth is widely presumed to be uniquely difficult and dangerous compared to birth in other mammals. Tight fetopelvic proportions can result in obstructed labour and contribute to high rates of maternal and neonatal mortality. Ideas summarised under the ‘obstetrical dilemma’ have contributed to this assumption by explaining difficult
Nicole D. S. Grunstra
wiley   +1 more source

Parasitological examination results of zoo animals in Germany between 2012 and 2022

open access: yesInternational Journal for Parasitology: Parasites and Wildlife
Parasitic infections in zoo animals are a critical concern for both animal health and management. The aim of this study was to assess the occurrence of endo- and ectoparasites among zoo animals in Germany.
Lea-Christina Murnik   +7 more
doaj   +1 more source

Outbreak and genotyping of canine distemper virus in captive Siberian tigers and red pandas

open access: yesScientific Reports, 2017
In this study, four canine distemper virus (CDV) strains were isolated from captive Siberian tigers (Panthera tigris altaica) and red pandas (Ailurus fulgens) during two separate CDV outbreaks in a zoo in Guangdong province, China. Sequence alignment and
He Zhang   +9 more
doaj   +1 more source

Aplikasi Wisata Berplatform Android dengan Teknologi QR Code

open access: yesComTech, 2013
As a country renowned for its natural beauty, Indonesia has many interesting attractions to visit. An example is the attraction of animals shown at Ragunan Zoo. At Ragunan Zoo visitors not only enjoy the tour, but also learn about animals shown. However,
Afan Galih Salman
doaj   +1 more source

Utterance evolution: the road to generative, combinatorial communicators

open access: yesBiological Reviews, EarlyView.
ABSTRACT Language has long been considered uniquely complex in the animal kingdom; however, animal research over the last decade has begun to challenge some long‐standing premises about exactly which language capacities are uniquely human. The task of resolving why and how complex communication systems evolve, particularly human language, has ...
Catherine Crockford   +2 more
wiley   +1 more source

Epidemiology of leptospirosis at Sorocaba Zoo, São Paulo state, Southeastern Brazil

open access: yesPesquisa Veterinária Brasileira, 2012
Leptospirosis is considered a worldwide distributed zoonosis, caused by the bacteria Leptospira spp. Since several species of wildlife animals are reportedly reservoirs, the aim of the present study was to know the epidemiology of leptospirosis at the ...
Leila S. Ullmann   +6 more
doaj   +1 more source

Commentary: Additional observations on the skeleton of a juvenile Gryposaurus notabilis (Ornithischia: Hadrosauridae)

open access: yes
The Anatomical Record, EarlyView.
Jordan C. Mallon   +3 more
wiley   +1 more source

Dental development in the tropical gar (Atractosteus tropicus) and the evolution of vertebrate dentitions

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background Dentitions have diversified enormously during vertebrate evolution, involving reductions, modifications, or allocations to prey seizing and processing regions. A combination of ancient and novel features related to dental and oropharyngeal apparatuses is found in extant lineages of non‐teleost fishes, such as the gars.
Anna Pospisilova   +4 more
wiley   +1 more source

Individual variation and repeatability of the behavioral response to novel objects in captive African elephants (Loxodonta africana)

open access: yesDiscover Animals
Individuals differ consistently in their behavioral responses to novel situations. In zoo animals, such evidence can help to design enrichment programs to improve individual welfare, an area of increasing efforts in the zoo community.
Susan Hambrecht   +2 more
doaj   +1 more source

Activity and Pool Use in Relation to Temperature and Water Changes in Zoo Hippopotamuses (Hippopotamus amphibious)

open access: yes, 2020
In the wild, hippopotamuses spend much of their daily activity in the water. In zoos, it is less clear the extent to which hippos spend time in the water. We examined how much time Woodland Park Zoo’s three hippos spent in their outdoor pool, based
Hawkes, N.C.   +5 more
core   +1 more source

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