¿Por qué se celebra el día mundial de los animales?

#iguru_soc_icon_wrap_650fa23876209 a{ background: transparent; }#iguru_soc_icon_wrap_650fa23876209 a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_650fa23876209 a{ color: #2c8fa0; }#iguru_soc_icon_wrap_650fa23876209 a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_650fa2387626e1{ color: #ffffff; }.iguru_module_social #soc_icon_650fa2387626e1:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_650fa2387626e1{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa2387626e1:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa238762a12{ color: #ffffff; }.iguru_module_social #soc_icon_650fa238762a12:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_650fa238762a12{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa238762a12:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa238762b83{ color: #ffffff; }.iguru_module_social #soc_icon_650fa238762b83:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_650fa238762b83{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa238762b83:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa238762ca4{ color: #ffffff; }.iguru_module_social #soc_icon_650fa238762ca4:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_650fa238762ca4{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa238762ca4:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa238762dd5{ color: #ffffff; }.iguru_module_social #soc_icon_650fa238762dd5:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_650fa238762dd5{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_650fa238762dd5:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_650fa238762f06{ color: #ffffff; }.iguru_module_social #soc_icon_650fa238762f06:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_650fa238762f06{ background: rgba(44,143,160,0.01); }.iguru_module_social #soc_icon_650fa238762f06:hover{ background: rgba(255,255,255,0.01); }