How Rodent Species Adapt to the Food Resources of Their Habitat

Three rodent species with similar characteristics coexist in the centre of the Iberian Peninsula (Wood mouse <i>Apodemus sylvaticus</i>, Algerian mouse <i>Mus spretus</i> and Common vole <i>Microtus arvalis)</i>. This study examines if habitat segregation exists b...

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Main Authors: Sergio Del Arco, Jose María Del Arco
Format: Article
Language:English
Published: MDPI AG 2025-06-01
Series:Animals
Subjects:
Online Access:https://www.mdpi.com/2076-2615/15/13/1874
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author Sergio Del Arco
Jose María Del Arco
author_facet Sergio Del Arco
Jose María Del Arco
author_sort Sergio Del Arco
collection DOAJ
description Three rodent species with similar characteristics coexist in the centre of the Iberian Peninsula (Wood mouse <i>Apodemus sylvaticus</i>, Algerian mouse <i>Mus spretus</i> and Common vole <i>Microtus arvalis)</i>. This study examines if habitat segregation exists between the species, as a means of preventing the intense competition that may exclude any of these species. One of the three species recently arrived in the area. The other two have been consuming resources for a long time. Our aim is to check whether adaptations have been acquired during this time. To do this, we placed the three rodent species in semi-wild enclosures consisting of three different habitats and fed them acorns from the two most abundant oak species of the area for one week. We estimated the number of acorns and the mass per acorn that each species consumed in each habitat. It was found that each species prefers different habitats. The two species that were first installed in the area participated in acorn dissemination through transport and storage. They also conserved the embryos of the acorns consumed. The newly arrived species did not transport acorns and destroys them during consumption, behaving as a true predator species. The three species segregate their habitats to avoid competition. The two species that have been in the area for a longer time exhibit a relationship with the oaks that is akin to mutualism.
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spelling doaj-art-ef07e4ee083e4f54b5cd420e8e3ee8e72025-08-20T03:28:32ZengMDPI AGAnimals2076-26152025-06-011513187410.3390/ani15131874How Rodent Species Adapt to the Food Resources of Their HabitatSergio Del Arco0Jose María Del Arco1Faculty of Biology, University of Salamanca, Campus Miguel de Unamuno, 37007 Salamanca, SpainDepartment of Agroforestry Sciences, Higher Technical School of Agrarian Engineering of Palencia, 34004 Palencia, SpainThree rodent species with similar characteristics coexist in the centre of the Iberian Peninsula (Wood mouse <i>Apodemus sylvaticus</i>, Algerian mouse <i>Mus spretus</i> and Common vole <i>Microtus arvalis)</i>. This study examines if habitat segregation exists between the species, as a means of preventing the intense competition that may exclude any of these species. One of the three species recently arrived in the area. The other two have been consuming resources for a long time. Our aim is to check whether adaptations have been acquired during this time. To do this, we placed the three rodent species in semi-wild enclosures consisting of three different habitats and fed them acorns from the two most abundant oak species of the area for one week. We estimated the number of acorns and the mass per acorn that each species consumed in each habitat. It was found that each species prefers different habitats. The two species that were first installed in the area participated in acorn dissemination through transport and storage. They also conserved the embryos of the acorns consumed. The newly arrived species did not transport acorns and destroys them during consumption, behaving as a true predator species. The three species segregate their habitats to avoid competition. The two species that have been in the area for a longer time exhibit a relationship with the oaks that is akin to mutualism.https://www.mdpi.com/2076-2615/15/13/1874acornsdispersalrodentsscatter-hoardingpartial consumptionhabitats
spellingShingle Sergio Del Arco
Jose María Del Arco
How Rodent Species Adapt to the Food Resources of Their Habitat
Animals
acorns
dispersal
rodents
scatter-hoarding
partial consumption
habitats
title How Rodent Species Adapt to the Food Resources of Their Habitat
title_full How Rodent Species Adapt to the Food Resources of Their Habitat
title_fullStr How Rodent Species Adapt to the Food Resources of Their Habitat
title_full_unstemmed How Rodent Species Adapt to the Food Resources of Their Habitat
title_short How Rodent Species Adapt to the Food Resources of Their Habitat
title_sort how rodent species adapt to the food resources of their habitat
topic acorns
dispersal
rodents
scatter-hoarding
partial consumption
habitats
url https://www.mdpi.com/2076-2615/15/13/1874
work_keys_str_mv AT sergiodelarco howrodentspeciesadapttothefoodresourcesoftheirhabitat
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