Aggressive Weaver Ants (image) Aarhus University Share Print E-Mail Caption Weaver ants are aggressive and protect their host plants from everything that moves. They even attack large animals to defend their territory. Credit Photo Kim Aaen, NatureEyes. Usage Restrictions May be used in relation to this news release. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.